Unit 2 practice quiz

What does the quantity known as volume measure?

• how much matter is present

• the space that matter occupies

• the density of an object

• the energy within a system

A 10gram sample of an unknown liquid has a volume of 50mls. Its density is

• 5 g/ml

• 0.20 g/ml

• 10g/ml

• 50g/ml

Unlike most known substances, waters density is actually greatest when in this state:

• solid

• liquid

• gas

• plasma

An example of an intrinsic property of matter is

• Mass

• Weight

• Volume

• Density

When measuring the effect of light exposure to plant growth, the amount of light each plant received would be the

• control variable

• dependent variable

• independent variable

• all of these

Under the Scientific method, the first step in the process would be to

• analyze the data collected

• reject or support ones hypothesis

• develop a hypothesis

• ask an interesting question you would like to answer

Which of the following phase changes is an example of an exothermic process?

• melting

• sublimation

• boiling

• deposition

Which of the following states of matter is characterized by conforming its shape and volume constantly to the shape and volume of the container which holds it?

• solid

• liquid

• gas

• plasma

The boiling point of water in degrees Celsius is

• 100

• 32

• 373

• 0

Based on the heating curve provided, What is the boiling point of this substance indegrees Celsius?

• -20

• 0

• 100

• 150