Chem Test Lessons 1-6 Review

Which of these describes a physical property of a piece of wood?

• build houses with it

• it comes from trees

• it feels smooth

• you can make paper from it

What is the purpose of a filtration?

• to pour liquid from one container to another

• to separate a solid from a liquid

• to apply to an object to make it smooth

• to mix a solution

Which of these is NOT a chemical?

• your hair

• milk

• tissues

• none of them, they are all chemicals

A solid substance with shiny flat surfaces that has a predictable shape or pattern is called a ...

• crystal

• chemical

• solution

• suspension

A combination of two or more substances in which each substance keeps its own properties

• suspension

• solution

• mixture

• crystal

Jessica scooped cocoa mix into her ice cold milk. She stirred the mixture with a spoon for one minute. When she was done, she drank her delicious smooth drink. Her chocolate milk is an example of a...

• suspension

• solution

• crystal

• evaporate

What happened to the cocoa mix Jessica put into her glass?

• It evaporated.

• It dissolved.

• It suspended in the top of the glass.

• It sank to the bottom of the glass.

Marty poured his mixture into a filter and let it drip onto a dish. He put the dish on the window sill for the weekend. When he checked it, there were white crystals in the dish, but nothing else. What happened to the water?

• It evaporated.

• It stayed in the filter.

• Someone must have wiped it out of the dish.

• It froze.

Which one of these is a suspension?

• tea

• Sprite

• water

• orange juice with pulp

Which of these is NOT a physical property of salt?

• white

• grains have a shine

• found in salt mines

• grains spread out, don't clump