Key Stage 1Ages 5-7Science

Free Chemistry Worksheets for Key Stage 1

Chemical reactions and substances. Download free printable science worksheets designed for Key Stage 1 students (ages 5-7), aligned to the UK National Curriculum.

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What Your Child Will Learn

Understand key concepts in chemistry
Apply chemistry skills to solve problems
Build confidence with chemistry through practice
Develop fluency appropriate for Key Stage 1

Sample Chemistry Questions for Key Stage 1

Here are examples of the types of questions your child will practice:

1

Is water a solid, liquid or gas?

easymultiple choice
2

What happens when you heat ice?

easyshort answer
3

Name 3 liquids

mediumshort answer
4

What state is steam?

mediumfill blank
5

Can you reverse freezing?

hardtrue false
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Skills Your Child Will Build

Matter understanding
Changes
Scientific method
Laboratory skills

Real-World Applications

Understanding chemistry helps children in everyday situations:

Cooking
Cleaning
Medicine
Environment

Common Mistakes to Watch For

Help your child avoid these common chemistry mistakes:

  • !Not reading questions carefully
  • !Rushing through problems
  • !Not checking answers
  • !Missing key steps

Learning Progression

After mastering these foundations, students will progress to more complex chemistry skills in Key Stage 2, building on the concepts learned here.

Tips for Teaching Chemistry

1Practice chemistry regularly for best results
2Start with easier problems and gradually increase difficulty
3Use the answer key to identify areas needing more practice
4Relate chemistry to real-world situations when possible

More Science Topics for Key Stage 1

Human BodyPlantsAnimalsForcesElectricityLight

Chemistry for Other Age Groups

Early Years

Ages 0-2

Nursery

Ages 3-4

Reception

Ages 4-5

Key Stage 2

Ages 7-11

Key Stage 3

Ages 11-14

GCSE

Ages 14-16

A-Level

Ages 16-18

Frequently Asked Questions

What chemistry topics are covered in these worksheets?▼
Our chemistry worksheets for Key Stage 1 cover all aspects of chemical reactions and substances as required by the UK National Curriculum. Each worksheet is designed to build skills progressively from foundation to challenge level.
Are these chemistry worksheets suitable for Key Stage 1?▼
Yes, these worksheets are specifically designed for Key Stage 1 students (ages 5-7). The content difficulty and question types are carefully matched to National Curriculum expectations for this age group.
How can I use these chemistry worksheets effectively?▼
We recommend 15-20 minutes of focused practice per session. Use the worksheets to reinforce concepts taught at school, identify areas needing more practice, and build confidence. Every worksheet includes an answer key for easy self-assessment.
Do the chemistry worksheets include answer keys?▼
Yes, every worksheet comes with a complete answer key on a separate page. This makes it easy for parents to check homework, teachers to mark work, and students to self-assess their understanding.

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