Classifying Matter

Which of the following objects is a liquid?

• Ice cube
• Apple juice
• Rubber ball
• Plastic spoon

Students sorted objects into two groups.
Which one of the answer choices belongs in GROUP 2?

• Textbook
• Soccer ball
• Cereal box
• Notebook paper

Students placed a black block and a white block on each side of a balance.
Based on the results, what can the students say about the two blocks?

• The white block is wider and taller than the black block.
• The white block has more mass than the black block.
• The black block has a lower temperature than the white block.
• The black block has more mass than the white block.

Which scientific tool would you use to determine the temperature of an object?

• Hand lens
• Ruler
• Stop watch
• Thermometer

Which of these is a change made by adding heat?

• A can of soda turning to ice in the freezer
• Water drops forming on a cold glass
• A puddle evaporating on a sunny day
• Raindrops changing into snow flakes

What happens when a candy bar is left in a car on a hot day?

• It boils.
• It evaporates.
• It freezes.
• It melts.

Adding heat to a substance can cause it to change from a -

• gas to liquid
• gas to solid
• liquid to gas
• liquid to solid

Physical properties can be use to identify a substance, which list contains only physical properties.

• density, specific heat, and malleability
• size, shape, ability to burn
• reactivity, density, specific heat
• malleability, conductivity, reacts with oxygen

Salt dissolved in water.

• colloid
• solution
• element
• compound

Which is a characteristic of a liquid?

• It has its own shape
  
• It takes the shape of its container
  
• It has the same volume as container
  
• you can’t see it