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- Biology · Topic 2
Cells under the microscope
What does a microscope reveal inside a cell?
- Biology · Topic 3
Diffusion and active transport
Why are cells so small?
- Biology · Topic 3
Osmosis
Why does a limp lettuce leaf go crisp in water?
- Biology · Topic 5
Enzymes
What temperature does an enzyme work best at?
- Biology · Topic 4
Food tests
What is in this food?
- Biology · Topic 6
How plants make food
What does a leaf need to make starch?
- Biology · Topic 1
Living things and keys
How can you name a living thing you have never seen before?
- Biology · Topic 1
Kingdoms and animal groups
Which group does this organism belong to?
- Chemistry · Topic 1
States and changes of state
Why does ice melt but stay water?
- Chemistry · Topic 1
Gases under pressure
What happens to a gas when you squeeze or heat it?
- Chemistry · Topic 1
Diffusion
How does a smell cross a room?
- Chemistry · Topic 12
Mixtures and separation
The salt disappears. Has it gone?
- Chemistry · Topic 12
Crystallisation
How can a clear solution grow crystals?
- Chemistry · Topic 12
Distillation
Can we get the water back?
- Chemistry · Topic 12
Paper chromatography
What is hiding in the green dye?
- Physics · Topic 1
Measuring and the pendulum
How can you time one swing of a pendulum accurately?
- Physics · Topic 1
Speed and motion graphs
How can a graph tell the story of a journey?
- Physics · Topic 1
Mass, weight and density
Why does a big log float when a small stone sinks?
- Physics · Topic 1
Acceleration, falling and drag
Why does a skydiver stop speeding up?
- Physics · Topic 2
Gas pressure and temperature
Why can a sealed can burst when it gets hot?
- Physics · Topic 2
Specific heat capacity
Why does water take so long to heat up?
- Physics · Topic 2
Melting, boiling and evaporation
Why does sweating cool you down?