Living things
How energy moves through habitats and how our bodies work.
Core subjects
Science: biology, chemistry, physics and space
Science explained through everyday examples, with quick quizzes you can check online and printable sheets for the classroom or kitchen table. Experiments use household items and include safety notes.
- 1Learn it
- 2See it worked
- 3Try it online
- 4Print it
- 5Check your answer
Start here: learning journeys
Materials, electricity and space
Hands-on physical science.
All science lessons with practice and answers
States of matterLearn solids, liquids and gases, melting, freezing, evaporation and condensation with particle diagrams explained, a worked example, quiz and printable worksheet with answers.. Online + PrintThe solar systemLearn the eight planets in order from the Sun, a memory sentence, rocky vs gas planets, and why we have day, night and years — with a quiz and printable worksheet.. Online + PrintHuman body organsLearn the main organs of the human body — brain, heart, lungs, stomach, intestines, kidneys, liver and skin — what each does, with a quiz and printable answer sheet.. Online + PrintFloat or sink experimentRun a safe float-or-sink experiment with household objects, learn what density means and how a fair test works, and record predictions on a printable results sheet.. Online + PrintFood chainsLearn how energy passes along a food chain, what producers, consumers, predators and prey are, and what happens when one link is removed. Online + PrintSimple electrical circuitsHow a simple series circuit works, why a gap stops a bulb lighting, and which materials are conductors or insulators. Online + Print
Guidance
How to get the most from these
- Ask children to predict before they check — prediction is the heart of science.
- Use correct vocabulary early; words like ‘evaporate’ are easy when shown.
- Adults should supervise every experiment, even simple ones.
Last reviewed: 25 September 2026