Find out how strong an acid is by mixing it with a base.

See how changing the amount of a chemical changes how fast a reaction happens.

Use special paper to separate the colors in ink.

Learn what makes a pendulum swing faster or slower.

Use simple tools to see how well a wire resists electricity.

See how light bends when it goes through a glass block.

Look at onion cells up close with a microscope.

See how water moves in and out of potato slices in different liquids.

Do tests to find out what kinds of nutrients are in different foods.

Learn how heat changes the way enzymes work.

Use electricity to split water into hydrogen and oxygen.

Measure the heat given off when you burn different fuels.

Make your own aspirin from simple chemicals.

Break down large fuel molecules into smaller, more useful ones.

Make a salt by reacting a metal oxide with an acid.

Find out which metals are more reactive than others.

See how a spring stretches when you add different weights.

Find out how much heat is needed to warm up a metal block.

Learn how the pressure and volume of a gas are related.

Find the special point where a lens focuses light.

Map out the magnetic field around a coil of wire with electricity.

Learn about the fastest speed an object can reach when it falls.

See how acids and bases change how well enzymes work.

See how the brightness of light changes how fast a plant makes food.

Find out what seeds need to start growing.

Measure how fast a plant "breathes out" water.

Measure how quickly people can react to things they see.

Learn how to estimate the number of plants in a large area.

Separate pure water from ink by boiling and cooling it.

Use chemical tests to figure out what ions are in a mystery solution.

See what happens when you heat up different metal compounds.

Create a chemical with a fruity smell.

Build a simple battery and measure its electricity.

Find out how heavy different objects are for their size.

Watch how water waves bounce, bend, and spread out.

Find the balance point of an object that has a funny shape.

Use dice or a simulation to understand how radioactive materials decay over time.

Measure how fast sound travels through the air.

Learn how the volume of a gas changes with temperature.

Look at cells dividing in onion roots under a microscope.

See how exercise affects your breathing and heart rate.

See how plants grow towards a light source.

Take apart a flower to see its different parts and learn what they do.

Burn food to find out how much energy it contains.

Explore a local habitat and see what living things you can find.

Test soil to find out about its properties, like how acidic it is.

Watch yeast make carbon dioxide gas without oxygen.

Learn how to balance a ruler on a pivot using weights.

Learn how the pressure of a gas changes with temperature.

Use a special solution to guess how much sugar is in a liquid.