Atoms
Changes of state
Acids and Bases
Heat transfer
Matter
100

The subatomic particle that has a positive charge.

What is a proton?

100

The three different states of matter.

What is solid, liquid, gas?

100

Lemon juice (acid/base/neutral)

What is an an acid?

100

Particles vibrate faster when (choose one of heated or cooled).

What happens to particles when they are heated?

100

The type of change that does not make a new substance.

What is a physical change?

200

Is negatively charged.

What is an electron?

200

When a gas changes in to a liquid.

What is condensation?

200

Turns litmus paper blue.

What is a base?

200

Heat transfer when objects touch.

What is conduction?

200

Baking a cake is this type of change.

What is a chemical change?

300

The main mass of an atom, found in the center of the atom.

What is the nucleus?

300

This state of matter keeps it's shape.

What is a solid?

300

Turns universal indicator and litmus paper red.

What is an acid?

300

When hot fluids (liquids/gases) rise and cooler fluids sink?

What is a convection current?

300

Fizzing, new smell, heat given off.

What are signs of a chemical change?

400

Has no charge (is neutral).

What is a neutron?

400

When a liquid changes to a gas.

What is evaporation?

400

Pure water turns universal indicator green.

What is neutral solution?

400

The colour that absorbs the most heat energy?

What is black?

400

The amount of space an object takes up.

What is volume?

500

The energy levels that surround the center of an atom.

What is an electron cloud?

500

Change of state from a solid to a gas (e.g. dry ice).

What is sublimation?

500

When a base reacts with an an acid?

What is a neutralisation reaction?

500

The process by which heat energy can travel through the vacuum of space. 

What is radiation?

500

When two liquids form a solid (in a solution) during a chemical change.

What is a precipitate?