1st Form RECAP

Which of these is not a state of matter?

• Solid

• Liquid

• Plasma

• Oxygen

Which diagram shows particles in a gas?

• Particles close together in rows

• Particles spread out, moving randomly

• Particles vibrating in fixed positions

• Particles sliding past one another

In a liquid, compared to a solid, the particles:

• Are fixed in place

• Vibrate only

• Move freely and spread far apart

• Can move around each other

What happens to particles when a substance is heated?

• They stop moving

• They move faster

• They shrink

• They change shape

What is the pH of a neutral solution?

• 0

• 7

• 14

• 1

Which of the following is a state of matter?

• Water

• Solid

• Energy

• Light

When a gas is compressed, what happens to the particles?

• They move further apart

• They get closer together

• They stop moving

• They vibrate in place

Which of the following is NOT a property of gases?

• Can be compressed

• Particles are far apart

• Fixed shape

• Move randomly

What happens to the speed of particles as temperature increases?

• It decreases

• It stays the same

• It increases

• It stops

Which of the following is true about solids?

• Particles move freely

• Particles are far apart

• Particles are closely packed and vibrate in place

• Particles are spread out