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KS3 science worksheets

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Making the jump to KS3 science doesn’t have to be difficult, and with our KS3 science worksheets, your child will feel supported every step of the way! With new content and revision resources to help prepare your child for their all-important GCSEs , our worksheets cover the breadth and depth of the UK KS3 science National Curriculum. Whether you’re looking for traditional Key Stage 3 science worksheets, KS3 science revision or question and answer activities, our team of dedicated teachers have created arange of activities to be used alongside classroom learning or as part of a homeschooling education. From year 7 science worksheets to year 9 science worksheets , we cover the entire KS3 science curriculum in our learning resources.

KS3 science worksheets by year group

YEAR 7 SCIENCE WORKSHEETS

22 Topics | 103 Worksheets

YEAR 8 SCIENCE WORKSHEETS

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YEAR 9 SCIENCE WORKSHEETS

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Welcome to Seneca Revision Notes

Short and effective seneca revision notes for a-level & gcse.

1.1 Cells, Tissues & Organs

1.1.1 Microscopes

1.1.2 Magnification

1.1.3 Multicellular Organisms

1.1.4 Tissues

1.1.5 Organs

1.1.6 Unicellular Organisms

1.1.7 Diffusion

1.1.8 Factors Affecting Diffusion

1.1.9 Plant Cells

1.1.10 Cellulose

1.1.11 Plant Tissues

1.1.12 Leaves

1.1.13 Animal Cells

1.1.14 Comparing Animal & Plant Cells

1.1.15 How to Make a Model Animal and Plant Cell

1.1.16 Specialised Cells

1.1.17 Stem Cells

1.1.18 Uses of Stem Cells

1.1.19 Disadvantages of Stem Cells

1.1.20 Blood Components

1.1.21 Platelets

1.1.22 End of Topic Test - Cells & Organisation

1.1.23 The Lungs

1.1.24 Breathing

1.1.25 Plant Gas Exchange

1.1.26 Health

1.1.27 End of Topic Test - Living Organisms

1.2 Reproduction & Variation

1.2.1 Reproduction in Humans

1.2.2 Male Reproductive System

1.2.3 Female Reproductive System

1.2.4 Gestation

1.2.5 Pregnancy

1.2.6 Puberty

1.2.7 The Menstrual Cycle

1.2.8 Reproduction in Plants

1.2.9 Pollination

1.2.10 Dispersal Method

1.2.11 Variation

1.2.12 Causes of Variation

1.2.13 Inheritance

1.2.14 Adaptations and Evolution

1.2.15 Species & Selective Breeding

1.2.16 Genetic Conditions

1.2.17 End of Topic Test - Reproduction & Variation

1.3 Ecological Relationships & Classification

1.3.1 Species Interdependence

1.3.2 Food Chains & Webs

1.3.3 Changes to Food Webs 1

1.3.4 Changes to Food Webs 2

1.3.5 Relationships in an Ecosystem

1.3.6 The Impact of Environmental Change

1.3.7 Decomposers

1.3.8 Decay

1.3.9 Assessing Ecosystems

1.3.10 Ecological Sampling

1.3.11 Required Practical - Estimating Population Size

1.3.12 Pyramids of Number and Biomass

1.3.13 Classification of Living Organisms

1.3.14 Competition Between Organisms

1.3.15 Adaptations of Plants

1.3.16 Natural Selection

1.3.17 Evidence for Evolution

1.3.18 Environmental Changes & Extinctions

1.3.19 The Importance of Biodiversity

1.3.20 Bioaccumulation

1.3.21 End of Topic Test - Material Cycles & Energy

1.4 Digestion & Nutrition

1.4.1 Balanced Diets

1.4.2 Vitamins & Minerals

1.4.3 Protein

1.4.4 Lipids, Oils and Fats

1.4.5 Carbohydrates

1.4.6 Starch

1.4.7 Energy Needs

1.4.8 Dietary Fibre

1.4.9 Diseases Caused by Nutritional Deficiencies

1.4.10 Digestion

1.4.11 Plant Nutrition

1.4.12 Enzymes in Digestion

1.4.13 Required Practical - Enzymes in Digestion

1.5 Plants & Photosynthesis

1.5.1 Roots

1.5.2 Photosynthesis

1.5.3 Leaves

1.5.4 Rate of Photosynthesis

1.5.5 Testing the Rate of Photosynthesis

1.5.6 Water Transport in Plants

1.5.7 Translocation

1.5.8 The Carbon Cycle

1.5.9 Human Activities & Carbon Dioxide

1.6 Biological Systems & Processes

1.6.1 Living Organisms

1.6.2 Dichotomous Keys

1.6.3 Biomechanics

1.6.4 Muscles

1.6.5 The Skeleton

1.6.6 Measuring Forces

1.6.7 Antagonistic Muscle Pairings

1.6.8 The Respiratory System

1.6.9 Structure & Function of the Gas Exchange System

1.6.10 Breathing

1.6.11 Respiration

1.6.12 Respiration During Exercise

1.6.13 Anaerobic Respiration

1.6.14 Lactic Acid

1.6.15 Effects of Smoking on the Respiratory System

1.6.16 Balanced Diets

1.6.17 Human Growth & Development

1.6.19 Alleles

1.6.20 Genotype vs Phenotype

1.6.21 Punnett Squares

1.6.22 Joints

1.6.23 The Renal System

1.6.24 The Double Circulatory System

1.6.25 Heart and Blood

1.6.26 Blood Vessels

1.6.27 Glucose

1.6.28 Glucose and Diabetes

1.6.29 The Effects of Recreational Drug Use

1.6.30 Human Illnesses

1.6.31 Antibiotics

1.6.32 Vaccinations

1.6.33 How Antibiotics and Vaccines Work

1.6.34 Mental Health

2 Chemistry

2.1 Particles

2.1.1 Particles

2.1.2 States of Matter

2.1.3 Changes of State

2.1.4 Properties of States of Matter

2.1.5 Diffusion

2.1.6 Changing State

2.1.7 Pressure

2.1.8 Temperature Increase in a Gas

2.1.9 Conservation of Mass

2.1.10 Purity of Substances

2.1.11 Pure Substances

2.1.12 Evaporation

2.1.13 Mixtures

2.1.14 Separating Mixtures

2.1.15 Distillation

2.1.16 Chromatography

2.1.17 Solubility

2.1.18 Investigating Solubility

2.2 Chemical Reactions

2.2.1 Chemical Reactions

2.2.2 Common Reactions

2.2.3 Acids & Alkalis

2.2.4 Reactions of Acids

2.2.5 Testing for Hydrogen

2.2.6 The pH Scale

2.2.7 Titration

2.2.8 End of Topic Test - Chemical Reactions

2.3 Atoms, Elements, Compounds

2.3.1 Atoms

2.3.2 Elements

2.3.3 Compounds & Mixtures

2.3.4 Electron Configuration

2.3.5 Chemical Symbols

2.3.6 Chemical Formulae

2.3.7 Conservation of Mass

2.3.8 Vacuums

2.3.9 Molecules

2.3.10 End of Topic Test - Particles & Atoms

2.4 The Periodic Table

2.4.1 Physical Properties

2.4.2 Chemical Properties

2.4.3 The Periodic Table

2.4.4 Metals

2.4.5 Non-Metals

2.4.6 Alkali Metals

2.4.7 Halogens

2.4.8 Oxides

2.4.9 End of Topic Test - The Periodic Table

2.5 Materials & the Earth

2.5.1 The Composition of The Earth

2.5.2 The Structure of the Earth

2.5.3 Igneous Rocks

2.5.4 Sedimentary Rocks

2.5.5 Metamorphic Rocks

2.5.6 The Rock Cycle

2.5.7 Physical Weathering

2.5.8 Chemical Weathering

2.5.9 Biological Weathering

2.5.10 The Formation of Fossils

2.5.11 Crude Oil

2.5.12 End of Topic Test - Earth

2.5.13 The Earth's Early Atmosphere

2.5.14 The Earth's Atmosphere Today

2.5.15 Oxygen in the Atmosphere

2.5.16 Carbon Dioxide in the Atmosphere

2.5.17 Greenhouse Gases

2.5.18 Climate Change

2.5.19 Resources

2.5.20 Recycling

2.5.21 Ceramics

2.5.22 Polymers

2.5.23 Composites

2.5.24 End of Topic Test - Materials

2.5.25 End of Topic Test - Polymers

2.6 Reactivity

2.6.2 Ionic Bonding

2.6.3 State Symbols

2.6.4 Balancing Chemical Equations

2.6.5 Relative Formula Mass

2.6.6 Calculating the Relative Formula Mass

2.6.7 The Reactivity Series

2.6.8 Carbon & The Reactivity Series

2.6.9 Displacement Reactions

2.6.10 Displacement Reactions - Halogens

2.6.11 Alloys

2.6.12 Metal Alloys

2.7 Energetics

2.7.1 Measuring Gas Production

2.7.2 Observing a Colour Change

2.7.3 Analysing Reaction Rates

2.7.4 Factors Affecting the Rate of Reaction

2.7.5 Catalysts

2.7.6 Testing for Oxygen

2.7.7 Energy Changes During Reactions

2.8 Properties of Materials

2.8.1 Testing for Gases

2.8.2 Alloys

2.8.3 Density

2.8.4 Density of Solids, Liquids & Gases HyperLearning

3.1.1 Energy Stores & Pathways

3.1.2 Energy Transfers

3.1.3 Common Energy Transfers

3.1.4 Wasted Energy

3.1.5 Efficiency of Energy Transfer

3.1.6 Sankey Diagrams

3.1.7 Heat & Temperature

3.1.8 Heat Transfer

3.1.9 Conductors vs Insulators

3.1.10 Reducing Energy Transfers

3.1.11 Energy & Power

3.1.12 Energy in Food

3.1.13 Calories

3.1.14 Food Labels

3.1.15 Energy at Home

3.1.16 Fuel Bills

3.1.17 Calculating Fuel Bills

3.1.18 Non-Renewable Energy - Fossil Fuels

3.1.19 Other Non-Renewables

3.1.20 Renewable Energy - Air & Ground

3.1.21 Renewable Energy - Water

3.1.22 End of Topic Test - Energy

3.2 Forces & Motion

3.2.1 Forces

3.2.2 Contact Forces

3.2.3 Balanced Forces

3.2.4 Force Diagrams & Resultant Forces

3.2.5 Free Body Diagram - Uses

3.2.6 Force & Acceleration

3.2.7 Gravity

3.2.8 Weight

3.2.9 Pressure

3.2.10 Speed

3.2.11 Relative Motion

3.2.12 Friction

3.2.13 Water & Air Resistance

3.2.14 Distance-Time Graphs

3.2.15 Moments

3.2.16 Levers

3.2.17 Work

3.2.18 Machines

3.2.19 Work & Machines

3.2.20 Elasticity

3.2.21 Elasticity - Hooke's Law

3.2.22 Density

3.2.23 Floating & Sinking

3.2.24 End of Topic Test - Forces & Motion

3.2.25 Vacuums

3.2.26 Thermal Energy & Conduction

3.2.27 Convection & Radiation

3.2.28 Evaporation

3.3.1 Waves

3.3.2 Types of Waves

3.3.3 Observing Waves

3.3.4 Wave Speed

3.3.5 Earthquakes

3.3.6 Sound Waves

3.3.7 Uses of Sound Waves

3.3.8 The Interactions of Sound with Different Mediums

3.3.9 Reflecting Sounds

3.3.10 The Speed of Sound

3.3.11 Measuring the Speed of Sound

3.3.12 The Hearing Range of Humans

3.3.13 The Human Ear

3.3.14 Light Waves

3.3.15 Reflection

3.3.16 Drawing a Reflected Image

3.3.17 Refraction

3.3.18 The Human Eye

3.3.19 The Eye as a Pinhole Camera

3.3.20 Lenses

3.3.21 Colour

3.3.22 Seeing Colour

3.3.23 Colours of Light

3.3.24 Drawing Waves

3.3.25 Wave Interactions

3.3.26 Comparing Sound & Light

3.3.27 End of Topic Test - Waves

3.3.28 End of Topic Test - Sound

3.4 Electricity & Magnetism

3.4.1 Circuit Symbols

3.4.2 Resistors & Diodes

3.4.3 Electric Current

3.4.4 Measuring Current

3.4.5 Potential Difference

3.4.6 Series Circuits

3.4.7 Parallel Circuits

3.4.8 Resistance

3.4.9 Charges

3.4.10 Static Electricity

3.4.11 Magnets

3.4.12 Magnetic Fields

3.4.13 The Earth's Field

3.4.14 Electromagnetism

3.4.15 Uses of Electromagnets

3.4.16 Strength of Magnetic Fields

3.4.17 Circuit Symbols HyperLearning

3.5.1 Physical Reactions

3.5.2 Changes of State

3.5.3 Particles

3.5.4 Density

3.5.5 Density & the Particle Model

3.5.6 The Equation for Density

3.5.7 Dissolving

3.5.8 Brownian Motion

3.5.9 Diffusion

3.5.10 Filtration

3.5.11 Solids

3.5.12 Liquids

3.5.13 Gases

3.5.14 Weight & Mass

3.5.15 Gravity

3.5.16 Gravitational Field Strength

3.5.17 Gravity in Space

3.5.18 Atmospheric Pressure

3.5.19 Liquid Pressure

3.5.20 End of Topic Test - Matter

3.6 Space Physics

3.6.1 The Sun

3.6.2 The Planets

3.6.3 Other Astronomical Bodies

3.6.4 The Milky Way

3.6.5 Beyond The Milky Way

3.6.6 The Seasons

3.6.7 Days, Months & Years

3.6.8 The Moon

3.6.9 Light Years

3.6.10 End of Topic Test - Space

4 Thinking Scientifically

4.1 Models & Representations

4.1.1 Strengths & Limitations of Models

4.1.2 Symbols & Formulae to Represent Scientific Ideas

4.1.3 Analogies in Science

4.1.4 Changing Models – Atomic Theory

4.1.5 Working Safely in the Lab

4.1.6 Variables

4.1.7 Writing a Hypothesis & Prediction

4.1.8 Planning an Experiment

4.1.9 Maths Skills for Science

4.1.10 Drawing Scientific Apparatus

4.1.11 Observation & Measurement Skills

4.1.12 Types of Data

4.1.13 Graphs & Charts

4.1.14 Bias in Science

4.1.15 Conclude & Evaluate

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Working Scientifically Activity Booklet KS3 Intro to Science

Subject: Chemistry

Age range: 11-14

Resource type: Worksheet/Activity

Last updated

31 December 2019

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A booklet with activities aimed to introduce key concepts in the WS aspect of science. Such as: -key words e.g. hypothesis, variables, accuracy, reproducible -units of measure -identifying variables -drawing graphs and tables -mini quiz to consolidate learning

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Thank you for sharing this - a great booklet to cover all the essentials

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Can anyone help me with this booklet PLEASE or If you are willing to give me answers for people who did hard - copy?

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This is absolutely fantastic. I have a pupils learning from home, and this is a great way for them to interact with my lessons. Thank you so much for taking the time to produce this!

Fantastic working scientifically booklet ! - would love it if they had an answers sheet included for those 'extra lazy science teachers' ;) thanks!

Brilliant resources, tackling a range of working scientifically skills - Thanks

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