Unit 2 Matter Review

Mrs. Thomas’ classroom was chilly. She asked a student to get a ____________ and tell her the temperature.

• scale

• thermometer

• cylinder

• ruler

What are water, oil, and juice all examples of?

• liquids

• gases

• solids

• elements

Which of the following factors could

cause this snowman to turn from a solid

to a liquid?

• wind

• snow

• sun

• hail

What conclusion can be made from the diagram?

• Gas → Liquid → Solid

• Liquid → Gas → Solid

• Solid → Liquid → Gas

• DSolid → Gas → Liquid

The letter Y could represent —

• liquid water

• an ice cube

• steam

• a brick

Which of the following could have caused the change in the placement of the molecules?

• freezing temperature

• heat

• ice

• cold water

How small are atoms?

• about the size of a grain of sand

• about the size of a speck of dust

• too small to be seen without a magnifying glass

• too small to be seen with any optical instrument

Which state of matter has NO definite volume and NO definite shape?

• Solid

• Liquid

• Gas

Michael is describing the physical properties of candy corn. Name at least two physical properties that he can observe without using any measurement tools.

• hardness and shape

• texture and temperature

• color and volume

• mass and odor

Q4: Observable characteristics such as texture, color, size, and mass are known as...

• combinations

• states of matter

• physical properties

• scientific tools