States of Matter Check In

On a hot summer day chocolate candy can melt in your pocket.  How can you get the chocolate to return to a solid?

• add heat
• leave it in your pocket
• cool it in the refrigerator
• leave it outside

Which state of matter has the highest kinetic energy?

• Solid

• Liquid

• Gas

Which state of matter has the strongest intermolecular forces?

• Solid

• Liquid

• Gas

Which is a chemical change?

• Painting a wall.

• Crumpling a paper.

• Cooking an egg.

• Cutting your hair.

Which is a physical change?

• Burning a candle.

• Cutting your hair.

• Baking a cake.

• Digesting food.

As a substance is heated, it is...

• Absorbing energy.

• Releasing energy.

When the temperature of matter increases the particles...

• speed up and move closer

• speed up and move farther apart

• slow down and move closer together

• slow down and move farther apart

When the temperature of matter decreases the particles ...

• speed up and move farther apart
• speed up and move closer together
• slow down and move farther apart
• slow down and move closer together

Why do some substances float on water?

• they are warmer than water
• they are cooler than water
• they are more dense than water
• they are less dense than water

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume