Review Unit 1-3

What are the basic building blocks for all matter?

• atoms
• elements
• compounds
• chemicals

What do we call a substance consisting of a single atom?

• coefficient
• element
• compound
• molecule

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

What does this image represent?

• Atom
• Element
• Molecule
• Marshmallows

Carbon dioxide (CO₂) contains how many atoms of oxygen?

• 0
• 1
• 2
• 3

Kinetic energy is...

• energy carried in ultraviolet waves

• energy stored in food

• energy in motion

• energy from splitting an atom

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Holding a marble at the top of a ramp

• Potential

• Kinetic

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

Particles (molecules) in a ______________________ have more energy than the other states of matter.

• gas
• solid
• liquid