States of Matter

Which example below is an example of a liquid becoming a solid?

• Puddles evaporating after a rainstorm
• Iron becoming red and flexible when heated
• Water freezing into ice
• Liquid expanding in a thermometer

Which of the following shows a change in an object's state of matter?

• ice cream melting on a sidewalk
• placing ice in the freezer
• sunlight warming a swimming pool
• chilling an apple in the refrigerator

Which of the following BEST explains why orange juice is a liquid and not a solid?

• It has a bright color.
• It takes the shape of it's container.
• You can not weigh it on a scale.
• It has molecules that are packed tightly together.

Which statement about gases is not true?

• Gas particles move freely.
• Gases fill an availabe space in a container.
• Gases have definite shape.
• Water evaporates into gas.

When a pan of water heating on a stove reaches the boiling point, all of the following are likely to be seen EXCEPT

• steam rising from the surface of the water
• bubbles rising from the bottom of the pan
• a gain in mass
• water moving from the bottom of the pan to the top

Which of these thermometers show the freezing point of water??

• I
• II
• III
• IV

Melissa's teacher gave each labe group 4 clear liquids. Their job was to identify the liquids. Melissa's group decided to boil a sample of each liquid. Their results are in the table...

• Sample 1
• Sample 2
• Sample 3
• Sample 4