Science Eight Chapter Seven Question Preview (ID: 4200)
Science 8 Chapter 7.
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Which of the following is not an example of matter?
a) heat
b) solids
c) water
d) oxygen
What does the kinetic molecular theory explain?
a) how particles act when their spacing and movement change
b) how to determine the mass and volume of solids, liquids, and gases
c) how kinetic energy in solids, liquids, and gases can be measured
d) how to find out the temperature of solids, liquids, and gases
What happens to matter when energy is added to it?
a) the particles take up less space
b) the particles decrease in volume
c) the particles move around faster
d) the particles move around slower
Which of the following are fluids?
a) gases only
b) liquids only
c) gases and liquids
d) gases, liquids, and gases
Why are fluids able to flow?
a) they do not have a fixed shape
b) they do not have a fixed volume
c) their particles are packed tightly together
d) their particles have very little kinetic energy
How would you determine the volume of an irregularly shaped rock?
a) put the rock on a scale and measure its mass
b) determine the density of the object and divide it by its mass
c) use a ruler to measure its length, width, and height. Then multiply the dimensions together
d) put the rock in a graduated cylinder filled with water and find out how much water it displaces
Density can be measured by
a) dividing mass by volume
b) dividing volume by mass
c) measuring displacement
d) finding out the state of the matter
When you add energy to a substance
a) density decreases
b) density increases
c) size decreases
d) weight increases
Name the change of state that happens when steam turns into liquid water
a) sublimation
b) solidification
c) condensation
d) evaporation
When frost forms on your grass on a winter day, this change of state is known as
a) condensation
b) deposition
c) melting
d) sublimation
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