Matter

The physical property that makes metal pots good for cooking is

• flexibility

• electrical conductivity

• flammability

• heat conductivity

Which of the following is NOT true about a pool of water and piece of ice?

• they have the same composition

• they are in different states of matter

• they have different chemical properties

• they have different physical properties

Which of the following is true about matter?

• it is a solid that takes up space

• it has mass and takes up space

• it has mass and is usually a liquid

• it is always a substance

Characteristics used to describe matter are called

• physical properties

• chemical properties

• both A and B

• neither A nor B

A molecule is the smallest part of

• an element

• a compound

• a substance

• an atom

Compounds are formed as a result of

• physical combination

• chemical combination

• distillation

• filtration

A mixture of iron and sulfur can be separated by

• magnetic attraction

• distillation

• evaporation

• filtration

A balloon filled with air does not rise as high as a balloon filled with helium. What does this tell you about the density of helium?

• helium is more dense than air

• helium is less dense than air

• the two gases have the same density

• when heated, helium becomes more dense

The amount of matter in an object is a measure of its

• volume

• density

• weight

• mass

Which of the following statements about the mass of an object is correct?

• mass changes with location

• mass remains constant

• mass changes with altitude

• mass changes with gravity