Materials Worksheet - KS3 - Intermediate
Materials worksheet for Key Stage 3 / Year 7-9 (Ages 11-14). Intermediate level science practice, aligned to the UK National Curriculum. Print-ready with answer key included.
Exploring Materials: Properties and Changes
Key Stage 3 / Year 7-9 (Ages 11-14) - Intermediate
Instructions: This worksheet explores the properties and changes of materials, focusing on the particle model, atomic structure, and chemical reactions. Complete each activity to deepen your understanding of these concepts.
States of Matter and Particle Model
Review the particle model of matter and identify the state of matter described in each scenario. Write your answer in the box provided.
1. Particles are tightly packed and vibrate in place.
2. Particles can move freely and fill the container.
3. Particles are close together but can slide past one another.
Atomic Structure Basics
Match each subatomic particle with its correct charge and location within the atom. Write 'positive', 'negative', or 'neutral' for charge and 'nucleus' or 'electron cloud' for location.
1. Proton: Charge , Location
2. Neutron: Charge , Location
3. Electron: Charge , Location
Periodic Table Exploration
Using the periodic table, identify the group and period of the following elements. Write your answers in the boxes provided.
1. Oxygen: Group , Period
2. Sodium: Group , Period
3. Chlorine: Group , Period
Types of Chemical Bonds
Identify the type of chemical bond (ionic, covalent, or metallic) in each compound. Provide a brief explanation for your choice.
1. NaCl
2. H₂O
3. Fe
Chemical Reactions and Equations
Balance the following chemical equations and write the balanced equation in the box provided.
1. H₂ + O₂ → H₂O
2. Na + Cl₂ → NaCl
3. C + O₂ → CO₂
Acids, Bases, and pH Scale
Determine whether each substance is an acid, base, or neutral based on its pH value. Write 'acid', 'base', or 'neutral' in the box.
1. Lemon juice (pH 2)
2. Soap (pH 9)
3. Pure water (pH 7)
Earth's Resources and Sustainability
Identify whether each resource is renewable or non-renewable and provide a brief explanation.
1. Solar energy
2. Coal
3. Wind energy
Investigation: Reaction Rate Factors
Design an experiment to investigate how temperature affects the rate of a chemical reaction. Outline your method and predicted outcome.
Describe your experiment plan:
Activity 1: Solid ; Gas ; Liquid
Activity 2: Positive, Nucleus ; Neutral, Nucleus ; Negative, Electron Cloud
Activity 3: Group 16, Period 2 ; Group 1, Period 3 ; Group 17, Period 3
Activity 4: Ionic ; Covalent ; Metallic
Activity 5: 2H₂ + O₂ → 2H₂O ; 2Na + Cl₂ → 2NaCl ; C + O₂ → CO₂
Activity 6: Acid ; Base ; Neutral
Activity 7: Renewable ; Non-renewable ; Renewable
Activity 8: Experiment design will vary
📚 Great books for Science
Handpicked books to support learning at home · Amazon affiliate links
CGP KS2 Science Study Book
Complete KS2 science - biology, chemistry and physics
Usually ships in 24hrs
Horrible Science Collection
Engaging science books that make learning fun
Usually ships in 24hrs
KS3 Science Complete Revision
CGP all-in-one revision for secondary science
Usually ships in 24hrs
Usborne Science Encyclopedia
Illustrated reference covering all areas of science
Usually ships in 24hrs