Канал: Cognito

A level launch

A level launch

Exam Qs launch

Exam Qs launch

GCSE Biology - Specialised Exchange Surfaces

GCSE Biology - Specialised Exchange Surfaces

GCSE Biology - Surface Area to Volume Ratio

GCSE Biology - Surface Area to Volume Ratio

GCSE Biology - Levels of Organisation - Cells, Tissues, Organs and Organ Systems

GCSE Biology - Levels of Organisation - Cells, Tissues, Organs and Organ Systems

GCSE Biology - Enzymes - How Temperature and pH Affect Rate of Reaction

GCSE Biology - Enzymes - How Temperature and pH Affect Rate of Reaction

Binary Fission - How Do Bacteria Divide? #12

Binary Fission - How Do Bacteria Divide? #12

GCSE Biology - Differentiation and Specialised Cells #10

GCSE Biology - Differentiation and Specialised Cells #10

GCSE Biology - Active Transport #9

GCSE Biology - Active Transport #9

GCSE Maths - Using Scales on Maps and Scale Diagrams

GCSE Maths - Using Scales on Maps and Scale Diagrams

GCSE Biology - What are Enzymes?

GCSE Biology - What are Enzymes?

GCSE Biology - What are Stem Cells? Difference Between Embryonic and Adult Stem Cells #11

GCSE Biology - What are Stem Cells? Difference Between Embryonic and Adult Stem Cells #11

GCSE Maths - How to Solve Simultaneous Equations - Using the Elimination Technique

GCSE Maths - How to Solve Simultaneous Equations - Using the Elimination Technique

GCSE Biology - Stem Cells in Medicine

GCSE Biology - Stem Cells in Medicine

GCSE Biology - Osmosis #8

GCSE Biology - Osmosis #8

GCSE Biology - What are Nutrients? Carbohydrates, Lipids, Proteins, Vitamins & Minerals #15

GCSE Biology - What are Nutrients? Carbohydrates, Lipids, Proteins, Vitamins & Minerals #15

Cognito platform - GCSE Chemistry: Atoms

Cognito platform - GCSE Chemistry: Atoms

Cognito platform - GCSE Physics: Transverse & Longitudinal Waves

Cognito platform - GCSE Physics: Transverse & Longitudinal Waves

GCSE Biology - How to convert between nm, um, mm, m and km #4

GCSE Biology - How to convert between nm, um, mm, m and km #4

IMPORTANT - The Cognito Platform Has Launched

IMPORTANT - The Cognito Platform Has Launched

GCSE Maths - Pythagoras' Theorem And How To Use It #120

GCSE Maths - Pythagoras' Theorem And How To Use It #120

GCSE Biology - What Is The Difference Between Light And Electron Microscopes? #6

GCSE Biology - What Is The Difference Between Light And Electron Microscopes? #6

GCSE Biology - What is Microscopy? #5

GCSE Biology - What is Microscopy? #5

GCSE Maths - All the Trigonometry Equations you Need To know! #119

GCSE Maths - All the Trigonometry Equations you Need To know! #119

GCSE Maths - What are Bearings? #118

GCSE Maths - What are Bearings? #118

GCSE Maths - Alternate, Corresponding and Allied Angles - Parallel Lines Angle Rules #117

GCSE Maths - Alternate, Corresponding and Allied Angles - Parallel Lines Angle Rules #117

GCSE Maths - 5 Angle Rules to Know #116

GCSE Maths - 5 Angle Rules to Know #116

GCSE Maths - 2D Projections Of 3D Objects #115

GCSE Maths - 2D Projections Of 3D Objects #115

GCSE Maths - How to Find the Volume of a Frustum #114

GCSE Maths - How to Find the Volume of a Frustum #114

GCSE Maths - How to find the Volumes of Cones and Pyramids #113

GCSE Maths - How to find the Volumes of Cones and Pyramids #113

GCSE Maths - Volumes of Cylinders and Prisms #112

GCSE Maths - Volumes of Cylinders and Prisms #112

GCSE Maths - Calculate Volume of Spheres and Hemispheres #111

GCSE Maths - Calculate Volume of Spheres and Hemispheres #111

GCSE Maths - Volumes of Cubes and Cuboids #110

GCSE Maths - Volumes of Cubes and Cuboids #110

GCSE Maths - The Eight 3D Shapes You Need to Know & What Vertices, Edges & Faces are #109

GCSE Maths - The Eight 3D Shapes You Need to Know & What Vertices, Edges & Faces are #109

GCSE Biology - Characteristics of Living Things (Organisms) #3

GCSE Biology - Characteristics of Living Things (Organisms) #3

GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3) #108

GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3) #108

GCSE Biology - Cell Types and Cell Structure #2

GCSE Biology - Cell Types and Cell Structure #2

GCSE Maths - What are Chords, Segments, Arcs and Sectors? (Circles Part 2) #107

GCSE Maths - What are Chords, Segments, Arcs and Sectors? (Circles Part 2) #107

GCSE Maths - How to find the Area and Circumference of a Circle (Circles Part 1) #106

GCSE Maths - How to find the Area and Circumference of a Circle (Circles Part 1) #106

GCSE Maths - How to Find the Area of Rectangles, Parallelograms, Triangles and Trapeziums #105

GCSE Maths - How to Find the Area of Rectangles, Parallelograms, Triangles and Trapeziums #105

GCSE Maths - How to find the Area of Compound Shapes #106

GCSE Maths - How to find the Area of Compound Shapes #106

GCSE Maths - Similar Shapes #104

GCSE Maths - Similar Shapes #104

GCSE Maths - Congruent Triangle Rules #103

GCSE Maths - Congruent Triangle Rules #103

GCSE Maths - Congruent Shapes #.102

GCSE Maths - Congruent Shapes #.102

GCSE Maths - Types of Quadrilateral #101

GCSE Maths - Types of Quadrilateral #101

GCSE Maths - Types of Triangle #100

GCSE Maths - Types of Triangle #100

GCSE Maths - Regular Polygons #99

GCSE Maths - Regular Polygons #99

GCSE Maths - Lines of Symmetry #98

GCSE Maths - Lines of Symmetry #98

GCSE Maths - How to Express One Number as a Percentage of Another #97

GCSE Maths - How to Express One Number as a Percentage of Another #97

GCSE Maths - Reverse Percentages - Calculating The Cost Before The Discount #96

GCSE Maths - Reverse Percentages - Calculating The Cost Before The Discount #96

Kingdoms of Life - Animals, Plants, Fungi, Protoctists, Bacteria and Viruses #1

Kingdoms of Life - Animals, Plants, Fungi, Protoctists, Bacteria and Viruses #1

GCSE Maths - How to Calculate Simple Interest #95

GCSE Maths - How to Calculate Simple Interest #95

GCSE Maths - How to Calculate Percentage Change (Increase or Decrease) #94

GCSE Maths - How to Calculate Percentage Change (Increase or Decrease) #94

GCSE Maths - Percentage Increase and Decrease (Multiplier Method) #93

GCSE Maths - Percentage Increase and Decrease (Multiplier Method) #93

GCSE Maths Walk Through (2018 Edexcel Higher Tier Paper)

GCSE Maths Walk Through (2018 Edexcel Higher Tier Paper)

GCSE Maths - How to Find a Percentage of a Number #92

GCSE Maths - How to Find a Percentage of a Number #92

Past Paper and Questions Website!

Past Paper and Questions Website!

GCSE Maths - What Does Inversely Proportional Mean? #91

GCSE Maths - What Does Inversely Proportional Mean? #91

GCSE Maths - How to Write Algebraic Expressions for Directly Proportional Relationships #90

GCSE Maths - How to Write Algebraic Expressions for Directly Proportional Relationships #90

GCSE Maths - What Does Directly Proportional Mean? #89

GCSE Maths - What Does Directly Proportional Mean? #89

GCSE Maths - How to Solve Best Buy Questions #88

GCSE Maths - How to Solve Best Buy Questions #88

GCSE Maths - Scaling Up and Down Using Proportions #87

GCSE Maths - Scaling Up and Down Using Proportions #87

GCSE Maths - Proportional division #86

GCSE Maths - Proportional division #86

GCSE Maths - Whole to Part Ratios #85

GCSE Maths - Whole to Part Ratios #85

GCSE Maths - How to Scale Up Ratios #84

GCSE Maths - How to Scale Up Ratios #84

GCSE Maths - How to Convert Ratios into Fractions #83

GCSE Maths - How to Convert Ratios into Fractions #83

GCSE Maths - Simplifying Harder Ratios (Decimals, Mixed Units and 1:n) - Part 2 #82

GCSE Maths - Simplifying Harder Ratios (Decimals, Mixed Units and 1:n) - Part 2 #82

GCSE Maths - What are Ratios & How to Simplify Them (Part 1) #81

GCSE Maths - What are Ratios & How to Simplify Them (Part 1) #81

GCSE Maths - How to Use Conversion Graphs #80

GCSE Maths - How to Use Conversion Graphs #80

GCSE Maths - What are Reciprocal Graphs? #79

GCSE Maths - What are Reciprocal Graphs? #79

GCSE Maths - What are Cubic Graphs & How to Plot Them #78

GCSE Maths - What are Cubic Graphs & How to Plot Them #78

GCSE Maths - How Do You Plot A Quadratic Curve? #77

GCSE Maths - How Do You Plot A Quadratic Curve? #77

What is Diffusion? How Does it Work? What Factors Affect it? #7

What is Diffusion? How Does it Work? What Factors Affect it? #7

GCSE Maths - What are Quadratic Graphs? #76

GCSE Maths - What are Quadratic Graphs? #76

GCSE Maths - Perpendicular Lines #75

GCSE Maths - Perpendicular Lines #75

GCSE Maths - Parallel Lines #74

GCSE Maths - Parallel Lines #74

GCSE Maths - Using Ratios to Find the Coordinates of a Point On a Line #73

GCSE Maths - Using Ratios to Find the Coordinates of a Point On a Line #73

GCSE Maths - How to Find the Midpoint of a Line #72

GCSE Maths - How to Find the Midpoint of a Line #72

GCSE Maths - Plotting a Line by Finding Where it Crosses the Axes #71

GCSE Maths - Plotting a Line by Finding Where it Crosses the Axes #71

GCSE Maths - How to Plot a Straight Line Using a Table of Coordinates #70

GCSE Maths - How to Plot a Straight Line Using a Table of Coordinates #70

GCSE Maths - Finding the Equation of a Straight Line From 2 Sets of Coordinates #69

GCSE Maths - Finding the Equation of a Straight Line From 2 Sets of Coordinates #69

GCSE Maths - How to Find the Equation of a Straight Line (y = mx + c) #68

GCSE Maths - How to Find the Equation of a Straight Line (y = mx + c) #68

GCSE Maths - What on Earth is y = mx + c #67

GCSE Maths - What on Earth is y = mx + c #67

GCSE Maths - How to Find the Gradient Using the Coordinates of Two Points #66

GCSE Maths - How to Find the Gradient Using the Coordinates of Two Points #66

GCSE Maths - How to Find the Gradient of a Straight Line #65

GCSE Maths - How to Find the Gradient of a Straight Line #65

GCSE Maths - Common Straight Line Equations You NEED TO KNOW #64

GCSE Maths - Common Straight Line Equations You NEED TO KNOW #64

GCSE Maths - How to Prove Algebraic Identities - Proof Part 2 #63

GCSE Maths - How to Prove Algebraic Identities - Proof Part 2 #63

GCSE Maths - How to Disprove a Statement by Counter Example - Proof Part 1 #62

GCSE Maths - How to Disprove a Statement by Counter Example - Proof Part 1 #62

GCSE Maths - How to Solve Simultaneous Equations Using Graphs #61

GCSE Maths - How to Solve Simultaneous Equations Using Graphs #61

GCSE Maths - What Are Simultaneous Equations #60

GCSE Maths - What Are Simultaneous Equations #60

GCSE Maths - Factorising Quadratics - Part 2 - (When the x^2 Coefficient is More Than 1) #50

GCSE Maths - Factorising Quadratics - Part 2 - (When the x^2 Coefficient is More Than 1) #50

GCSE Maths - Solving Inequalities by Plotting them on a Graph (Inequalities Part 4) #59

GCSE Maths - Solving Inequalities by Plotting them on a Graph (Inequalities Part 4) #59

GCSE Maths - Solving Algebraic Inequalities with 2 Inequality Signs (Inequalities Part 3) #58

GCSE Maths - Solving Algebraic Inequalities with 2 Inequality Signs (Inequalities Part 3) #58

GCSE Maths - Solving Algebraic Inequalities with 1 Inequality Sign (Inequalities Part 2) #57

GCSE Maths - Solving Algebraic Inequalities with 1 Inequality Sign (Inequalities Part 2) #57

GCSE Maths - What are Inequalities? (Inequalities Part 1) #56

GCSE Maths - What are Inequalities? (Inequalities Part 1) #56

GCSE Maths - How to Write Expressions for the nth term of Arithmetic Sequences #55

GCSE Maths - How to Write Expressions for the nth term of Arithmetic Sequences #55

GCSE Maths - Types of Number Sequences - Arithmetic vs Geometric #54

GCSE Maths - Types of Number Sequences - Arithmetic vs Geometric #54

GCSE Maths - How to Solve a Quadratic by Completing the Square (Part 2 - Solve When a=1) #53

GCSE Maths - How to Solve a Quadratic by Completing the Square (Part 2 - Solve When a=1) #53

GCSE Maths - How to Factorise Quadratics by Completing the Square (Part 1 - Factorise When a=1) #52

GCSE Maths - How to Factorise Quadratics by Completing the Square (Part 1 - Factorise When a=1) #52

GCSE Maths - Solving Quadratics Using the Quadratic Formula #51

GCSE Maths - Solving Quadratics Using the Quadratic Formula #51

GCSE Maths - Rearranging Formulas Part 2 - When The Subject Appears Twice #49

GCSE Maths - Rearranging Formulas Part 2 - When The Subject Appears Twice #49

GCSE Maths - Factorising Quadratics - Part 1 - (When the x^2 Coefficient is 1) - #50

GCSE Maths - Factorising Quadratics - Part 1 - (When the x^2 Coefficient is 1) - #50

GCSE Maths - How to Rearrange Formulas #48

GCSE Maths - How to Rearrange Formulas #48

GCSE Maths - What Are Formulas, And How Do I Use Them? #47

GCSE Maths - What Are Formulas, And How Do I Use Them? #47

GCSE Maths - Expressions vs Equations #46

GCSE Maths - Expressions vs Equations #46

GCSE Maths - How to Solve Algebraic Equations (Part 3 of 3) #45

GCSE Maths - How to Solve Algebraic Equations (Part 3 of 3) #45

GCSE Maths - How to Solve Algebraic Equations (Part 2 of 3) #44

GCSE Maths - How to Solve Algebraic Equations (Part 2 of 3) #44

GCSE Maths - How to Solve Algebraic Equations (Part 1 of 3) #43

GCSE Maths - How to Solve Algebraic Equations (Part 1 of 3) #43

GCSE Maths - How to Rationalise the Denominator of a Surd (Part 3/3) #42

GCSE Maths - How to Rationalise the Denominator of a Surd (Part 3/3) #42

GCSE Maths - Surd Rules and Simplifying Expressions Containing Surds (Part 2/3) #41

GCSE Maths - Surd Rules and Simplifying Expressions Containing Surds (Part 2/3) #41

GCSE Maths - What on Earth are Surds??? And How do You Simplify Them? (Part 1/3) #40

GCSE Maths - What on Earth are Surds??? And How do You Simplify Them? (Part 1/3) #40

GCSE Maths - What is Difference of Two Squares (DOTS) #39

GCSE Maths - What is Difference of Two Squares (DOTS) #39

GCSE Maths - How to Factorise an Expression into a Bracket #38

GCSE Maths - How to Factorise an Expression into a Bracket #38

GCSE Maths - Expanding Triple Brackets #37

GCSE Maths - Expanding Triple Brackets #37

GCSE Maths - How to Expand Double Brackets #36

GCSE Maths - How to Expand Double Brackets #36

GCSE Maths - How to Expand Single Brackets #35

GCSE Maths - How to Expand Single Brackets #35

GCSE Maths - What to do when Powers are Fractions (Powers Part 6/6) #34

GCSE Maths - What to do when Powers are Fractions (Powers Part 6/6) #34

GCSE Maths - What do you do with Negative Powers? (Powers Part 5/6) #33

GCSE Maths - What do you do with Negative Powers? (Powers Part 5/6) #33

GCSE Maths - What to do when a Fraction has a Power (Powers Part 4/6) #32

GCSE Maths - What to do when a Fraction has a Power (Powers Part 4/6) #32

GCSE Maths - How to Raise One Power to Another Power (Powers Part 3/6) #31

GCSE Maths - How to Raise One Power to Another Power (Powers Part 3/6) #31

GCSE Maths - How to Multiply and Divide Numbers With Powers (Powers Part 2/6) #30

GCSE Maths - How to Multiply and Divide Numbers With Powers (Powers Part 2/6) #30

GCSE Maths - Introduction to Powers/Indices & 3 Basic Rules (Powers Part 1/6) #29

GCSE Maths - Introduction to Powers/Indices & 3 Basic Rules (Powers Part 1/6) #29

GCSE Maths - How to Simplify Expressions by Collecting Like Terms #28

GCSE Maths - How to Simplify Expressions by Collecting Like Terms #28

GCSE Maths - How to Simplify Algebraic Expressions #27

GCSE Maths - How to Simplify Algebraic Expressions #27

How to Add or Subtract Numbers in Standard Form (Part 4/4) #26

How to Add or Subtract Numbers in Standard Form (Part 4/4) #26

How to Multiply and Divide in Standard Form (Part 3/4) #25

How to Multiply and Divide in Standard Form (Part 3/4) #25

How to Convert Number into Standard Form (Part 2/4) #24

How to Convert Number into Standard Form (Part 2/4) #24

What is Standard Form (also known as Scientific Notation)? (Part 1/4) #23

What is Standard Form (also known as Scientific Notation)? (Part 1/4) #23

How to Estimate the Square Root of Non-Square Numbers #22

How to Estimate the Square Root of Non-Square Numbers #22

How to Estimate in Maths #21

How to Estimate in Maths #21

How to Round Numbers to Significant Figures #20

How to Round Numbers to Significant Figures #20

How to Round Decimals Places #19

How to Round Decimals Places #19

How to Convert Recurring Decimals to Fractions (Proportions Part 6/6) #18

How to Convert Recurring Decimals to Fractions (Proportions Part 6/6) #18

How to Convert Decimals to Fractions (Proportions Part 5/6) #17

How to Convert Decimals to Fractions (Proportions Part 5/6) #17

How to Convert Decimals to Percentages (Proportions part 4/6) #16

How to Convert Decimals to Percentages (Proportions part 4/6) #16

How to Convert Fractions to Recurring Decimals (Proportions Part 3/6) #15

How to Convert Fractions to Recurring Decimals (Proportions Part 3/6) #15

GCSE Chemistry - The Haber Process Explained #76

GCSE Chemistry - The Haber Process Explained #76

How to Convert Fractions to Decimals (Proportions Part 2/6) #14

How to Convert Fractions to Decimals (Proportions Part 2/6) #14

GCSE Chemistry - What is Corrosion and How to Stop it #71

GCSE Chemistry - What is Corrosion and How to Stop it #71

GCSE Physics - What is Red Shift? #87

GCSE Physics - What is Red Shift? #87

What are Proportions? How to Convert Between Fractions, Decimals and Percentages (Proportions 1) #13

What are Proportions? How to Convert Between Fractions, Decimals and Percentages (Proportions 1) #13

GCSE Chemistry - Flame Emission Spectroscopy (Flame Photometry) #66

GCSE Chemistry - Flame Emission Spectroscopy (Flame Photometry) #66

GCSE Physics - What is an Orbit? #86

GCSE Physics - What is an Orbit? #86

Real Life Uses of Fractions - How to Find a Fraction of a Whole Number #12

Real Life Uses of Fractions - How to Find a Fraction of a Whole Number #12

GCSE Biology - Pyramids of Biomass #87

GCSE Biology - Pyramids of Biomass #87

GCSE Chemistry - Condensation Polymers (Polyesters) #60

GCSE Chemistry - Condensation Polymers (Polyesters) #60

GCSE Physics - Astronomy: How the Universe is made of Galaxies, Solar Systems, Stars and Planets #85

GCSE Physics - Astronomy: How the Universe is made of Galaxies, Solar Systems, Stars and Planets #85

How to Add and Subtract Fractions #11

How to Add and Subtract Fractions #11

GCSE Biology - Trophic Levels - Producers, Consumers, Herbivores & Carnivores #86

GCSE Biology - Trophic Levels - Producers, Consumers, Herbivores & Carnivores #86

GCSE Chemistry - Tests for Anions - Carbonate, Sulfate and Halide Ions #65

GCSE Chemistry - Tests for Anions - Carbonate, Sulfate and Halide Ions #65

GCSE Physics - The Life Cycle Of Stars / How Stars are Formed and Destroyed #84

GCSE Physics - The Life Cycle Of Stars / How Stars are Formed and Destroyed #84

How to Multiply and Divide Fractions #10

How to Multiply and Divide Fractions #10

GCSE Biology - Gregor Mendel and the History of Genetics #76

GCSE Biology - Gregor Mendel and the History of Genetics #76

GCSE Chemistry - Naturally Occurring Polymers - Polypeptides, DNA, and Carbohydrates #61

GCSE Chemistry - Naturally Occurring Polymers - Polypeptides, DNA, and Carbohydrates #61

GCSE Physics - Transformer Calculations #83

GCSE Physics - Transformer Calculations #83

What are Mixed Numbers and Improper Fractions & How to Convert Between Them (Fractions Part 2) #9

What are Mixed Numbers and Improper Fractions & How to Convert Between Them (Fractions Part 2) #9

GCSE Biology - Family Trees / Family Pedigrees #74

GCSE Biology - Family Trees / Family Pedigrees #74

GCSE Physics - How Transformers Work #82

GCSE Physics - How Transformers Work #82

Fractions Part 1 - How to Simplify Fractions #8

Fractions Part 1 - How to Simplify Fractions #8

GCSE Biology - Pros and Cons of Sexual and Asexual Reproduction (Part 2) #72

GCSE Biology - Pros and Cons of Sexual and Asexual Reproduction (Part 2) #72

GCSE Chemistry - Esters #59

GCSE Chemistry - Esters #59

GCSE Physics - Generator Effect / Electromagnetic Induction #81

GCSE Physics - Generator Effect / Electromagnetic Induction #81

How to find the Highest Common Factor #7

How to find the Highest Common Factor #7

GCSE Biology - What are DNA Mutations? #67

GCSE Biology - What are DNA Mutations? #67

GCSE Chemistry - Carboxylic Acids #58

GCSE Chemistry - Carboxylic Acids #58

GCSE Physics - How the Electric Motor Works #80

GCSE Physics - How the Electric Motor Works #80

GCSE Chemistry - Addition Polymers & Polymerisation #56

GCSE Chemistry - Addition Polymers & Polymerisation #56

How to find the Lowest Common Multiple (LCM) #6

How to find the Lowest Common Multiple (LCM) #6

How are Proteins Made? - Transcription and Translation Explained #66

How are Proteins Made? - Transcription and Translation Explained #66

GCSE Chemistry - Alcohols #57

GCSE Chemistry - Alcohols #57

GCSE Physics - Seismic Waves #75

GCSE Physics - Seismic Waves #75

How to Use Prime Factor Trees to find Prime Factors #5

How to Use Prime Factor Trees to find Prime Factors #5

GCSE Biology - What is DNA? (Structure and Function of DNA) #65

GCSE Biology - What is DNA? (Structure and Function of DNA) #65

GCSE Physics - Ultrasound #74

GCSE Physics - Ultrasound #74

What are Prime Numbers and Composite Numbers? #4

What are Prime Numbers and Composite Numbers? #4

GCSE Biology - Plant Hormones - Uses of Auxin, Gibberellin and Ethene #53

GCSE Biology - Plant Hormones - Uses of Auxin, Gibberellin and Ethene #53

GCSE Chemistry - Addition Reactions of Alkenes #55

GCSE Chemistry - Addition Reactions of Alkenes #55

GCSE Physics - Sound Waves and Hearing #73

GCSE Physics - Sound Waves and Hearing #73

How to find Multiples and Factors #3

How to find Multiples and Factors #3

Plant Hormones - Tropisms & Auxins #52

Plant Hormones - Tropisms & Auxins #52

GCSE Chemistry - Fuel Cells #45

GCSE Chemistry - Fuel Cells #45

GCSE Physics - How Radiation Affects Temperature #72

GCSE Physics - How Radiation Affects Temperature #72

How to use BODMAS (Order of Operations) #2

How to use BODMAS (Order of Operations) #2

Biology - Kidney Failure (Kidneys Part 3/3) #29

Biology - Kidney Failure (Kidneys Part 3/3) #29

GCSE Chemistry - Percentage Yield #33

GCSE Chemistry - Percentage Yield #33

GCSE Physics - Visible Light and Colour #71

GCSE Physics - Visible Light and Colour #71

Biology - Structure of the Kidneys - (Kidneys Part 2/3) #28

Biology - Structure of the Kidneys - (Kidneys Part 2/3) #28

GCSE Chemistry - Atom Economy #31

GCSE Chemistry - Atom Economy #31

GCSE Physics - How to Draw Ray Diagrams #70

GCSE Physics - How to Draw Ray Diagrams #70

Biology - How the Kidneys Work - (Kidneys Part 1/3) #27

Biology - How the Kidneys Work - (Kidneys Part 1/3) #27

GCSE Chemistry - Moles, Concentration & Volume Calculations #29

GCSE Chemistry - Moles, Concentration & Volume Calculations #29

GCSE Physics - How Lenses Work #69

GCSE Physics - How Lenses Work #69

GCSE Biology - How We Control Our Body Temperature #55

GCSE Biology - How We Control Our Body Temperature #55

GCSE Chemistry - How to Find the Volume of a Gas #28

GCSE Chemistry - How to Find the Volume of a Gas #28

GCSE Physics - X-Rays and Gamma Rays #68

GCSE Physics - X-Rays and Gamma Rays #68

GCSE Maths - Types of Numbers #1

GCSE Maths - Types of Numbers #1

GCSE Biology - How the Eye Works (Part 2) - Accommodation #32

GCSE Biology - How the Eye Works (Part 2) - Accommodation #32

GCSE Chemistry - Nanoparticles #22

GCSE Chemistry - Nanoparticles #22

GCSE Physics - Intro to Waves - Longitudinal and Transverse Waves #61

GCSE Physics - Intro to Waves - Longitudinal and Transverse Waves #61

GCSE Biology - How the Eye Works (Part 1) - Structure of the Eye & Iris Reflex #31

GCSE Biology - How the Eye Works (Part 1) - Structure of the Eye & Iris Reflex #31