Everything that has mass and that takes up space is...

• an atom
• matter
• energy
• molecule

An example of a solution is...

• ice cubes in a glass of water
• cereal with milk poured over it
• sugar dissolved in water
• chocolate chips in ice cream

Using the choices below, the smallest part of a compound is 

• solution
• mixture
• liquid
• molecule

The smallest part of any element is...

• water
• an atom
• a molecule
• oxygen

A substance that is made of two or more kinds of atoms is a(n)

• element
• nucleus
• compound
• proton

Water, ice, and steam are alike because they...

• are the same element
• look the same
• have the same shape
• are the same compound

What type of substance is table salt?

• compound
• element
• solution 
• mixture

A collection of matter made of substances that stay separate from each other and keep their own properties is a...

• compound
• liquid
• mixture
• density

Which of these is a mixture?

• lemonade
• salt 
• sugar
• water

Sand in a bucket of water is a...

• compound
• solution
• mixture
• molecule