States of Matter
Which state of matter has a definite shape and volume?
A solid
What is the particle theory of matter mainly about?
Matter is made of tiny particles.
Which is a property of all matter: takes up space or must be seen?
Takes up space.
When water freezes, it becomes a…
Solid
Which state of matter fills the entire space of its container?
Gas
Which state of matter has a definite volume but takes the shape of its container?
A liquid
True or False: Particles in matter are always moving.
True
True or False: All matter can be seen.
False
When a solid melts, particles…
Move faster and spread out.
What do all solids, liquids, and gases have in common?
They are made of particles.
Which state of matter has particles that move freely and spread out?
A gas
What happens to particles when matter is heated?
They move faster.
True or False: Solids have tightly packed particles.
True
When liquid water boils, what state does it change to?
Gas
Which state of matter keeps both its shape and volume?
Solid
True or False: Gases have particles that are far apart and move freely.
True
What happens to particles when matter is cooled?
They move slower.
True or False: Liquids have loosely packed particles that can flow.
True
True or False: When heated, particles stop moving.
False
What is one sign that particles are moving faster?
The temperature is increasing.
Give one example of a solid, one liquid, and one gas.
Rock, water, air
Answers will vary.
Describe what happens to particles in a solid when it melts.
They gain energy, move faster, and spread apart.
Describe what happens to particles in a liquid when it freezes.
They lose energy, slow down, and move closer together.
Explain what happens to the particles of water when it boils.
They gain lots of energy, move quickly, and spread apart into a gas.
BONUS STYLE: Matter is anything that…
Takes up space and has mass.