CBA 1 Science Review

When salt and pepper are poured into the same container and the container is shaken, what is formed?

• a mixture
• a liquid
• a pure substance
• a solid

Why is it a good idea to use a ball to model the earth?

• same size
• can be bounced
• can be rolled
• same shape

A class wants to investigate if hot water freezes faster than cold water.  Which tool should be used in the investigation?

• camera
• thermometer
• double pan balance
• spring scale

Solve this Riddle:
I am a clear substance.
I am a liquid.
I flow when poured.
I am not magnetic.
What am I?

• sand
• paper clips
• gravel
• water

Which substance represents a MIXTURE?

• granola bar
• water
• wedge of cheese
• salt

A mom has a glass of soda with ice in it.  What type of matter is the ice?

• vapor
• a gas
• a solid
• a liquid

How are molecules packed in a solid?

• very far apart
• very tightly packed and move very little
• there are no molecules in a solid
• fairly close together, sliding over eachother

How are molecules packed in a liquid?

• fairly close together, sliding over eachother
• very far apart
• very tightly packed and move very little
• there are no molecules in a liquid

How are molecules packed in a gas?

• very far apart
• very tightly packed and move very little
• there are no molecules in a gas
• fairly close together, sliding over eachother

We can't see water that is in the air.  The water is called water vapor.  Which of these describes water vapor?

• a type of energy
• It is a gas.
• It is a hot liquid.
• It is a force.