Physical Science Review

Which state of matter has a definite shape?

• Solid
• Liquid
• Gas
• All of the above.

How does water particles behave when they are in the gaseous state? 

• They move around very slowly
• They are packed together very tightly.
• They move quickly and freely.
• They do not move at all.

What are the three most common states of matter?

• Solid, water, gas
• Solid, liquid, gas
• Solid, liquid, steam
• They are all solids

Mrs. Kinsey put a bowl of water in the freezer and, when she checked it a few hours later, it was frozen. What should she expect to have happen if she puts a bowl of orange juice in the freezer?

• The orange juice will evaporate
• The orange juice will stay the same.
• The orange juice will freeze immediately
• The orange juice will freeze in a few hours

Which of the following is a physical change of water?

• Snow
• Ice
• Steam
• All of the above

Mrs. Smith put 3 cups of water in a pot on the stove and turned it on to "high." She let the water boil for a few minutes, and then took it off of the stove to cool. Once the water had cooled, she measured it again, and found that there was only 2 ³/₄ cups left. What happened to the water?

• Mrs. Smith spilled the water on the floor.
• The water vaporized into steam and left the pot.
• The water transformed into carbon dioxide gas and floated away.
• The water froze onto the bottom of the pan.

Which of the following is a physical change?

• A nail rusting.
• Wood burning.
• Vinegar and baking soda mixing together to create a gas.
• Tearing a piece of paper into two pieces.

How do you know if a physical change has occurred?   

• A new substance has been created.
• A change has been made on a molecular level.
• A change has occurred in the size, shape, or state of matter.
• None of the above.

Ice melting is an example of ________

• A chemical change.
• A physical change.
• No change has occurred.
• A new substance being formed.

Which of the following is an example of a chemical change?

• Ice melting.
• Steam leaving a hot tub.
• A nail rusting.
• Water freezing into ice.