G6 U1: Matter Review version 2

During a chemical change, what happens to atoms?

• They disappear

• They freeze in place

• They break and form bonds with other atoms

• They stay exactly the same

What is matter?

• Anything made of metal

• Anything that has mass and takes up space

• Only solids and liquids

• Only things that you can touch

What are atoms?

• Molecules made of plastic

• Things found only in gases

• The building blocks of all matter

• Large visible particles

What happens during a physical change?

• A new substance is created

• A chemical reaction happens

• The shape or size of an object changes, but no chemical reaction occurs

• Atoms bond together

Are all phase changes chemical or physical?

• Chemical

• Physical

• Both

• It depends on temperature

What are elements made of?

• Multiple kinds of atoms

• Liquids and solids

• One type of atom

• Protons and neutrons only

Where can elements be found?

• On the Moon

• In the air only

• In compounds

• On the Periodic Table

What part of the atom has a negative charge?

• Proton

• Neutron

• Electron

• Nucleus

What part of the atom has a positive charge?

• Neutron

• Proton

• Electron

• Shell

What part of the atom has a neutral charge?

• Neutron

• Proton

• Electron

• Energy level