KS3 Science Worksheets: Free Printable Activities
There are 15 free KS3 science printables on this page, for Key Stage 3 (ages 11 to 14). Science sheets cover living things, materials, forces, light, sound, electricity and the Earth. Every sheet is made by Jaques of London: two A4 pages, with the activity on page 1 and notes for the grown-up on page 2.
What KS3 science covers
Key Stage 3 science covers biology, chemistry and physics, including cells, particles, forces, energy, chemical reactions and waves.
Year 7 KS3 science
7 free printables. All Year 7 worksheets
Body Systems BluffMatch each organ to its body system, or bluff.Answers
Cell Parts MatchJoin each cell part to its job.15 minAnswers
Forces Code BreakerCrack four secret force words on the track.25 minAnswers
Periodic Table StarterThe first twelve elements by atomic number.
Skeleton Knight QuizSix questions about bones and joints.15 minAnswers
Speed Distance TimeUse speed = distance divided by time.Answers
States of Matter ParticlesFill the gaps then draw the particles.15 minAnswers
Year 8 KS3 science
4 free printables. All Year 8 worksheets
Electromagnet InvestigationDoes more turns of wire mean a stronger magnet?.Answers
Metals and Reactivity SeriesPut the metals in order of how reactive they are.Answers
Periodic Table GroupsUnscramble six elements and find their group.20 minAnswers
Word Equations PracticeComplete the missing product or reactant.Answers
Year 9 KS3 science
4 free printables. All Year 9 worksheets
Questions parents and teachers ask
What does KS3 science cover?
Key Stage 3 science covers biology, chemistry and physics, including cells, particles, forces, energy, chemical reactions and waves.
Are these KS3 science printables free?
Yes. All 15 are free to print for home, classroom and home education use.
Which year groups are they for?
They cover Year 7, Year 8 and Year 9.
Do the sheets include answers?
Answers are included on 13 of the 15 sheets. The rest are open tasks, and page 2 explains what a good answer looks like.
How long does each sheet take?
Most take 15 to 25 minutes. Each sheet is two A4 pages. Page 1 is the activity and page 2 has notes for the grown-up.
Can teachers use them in class?
Yes. They work as starters, plenaries, early finisher tasks, homework or table activities, and need no preparation beyond printing.
Do I need a colour printer?
No. Black and white printing is fine for almost every sheet.
Last updated 2026-11-09. Written by the Mini Minds Hub team at Jaques of London.