8.2-physics

1.

5 points

A ____________ is defined as any matter that flows when force is applied.

2.

5 points

A piece of pure silver in the shape of a candlestick has the ______ density as a pure silver coin.

3.

5 points

Size and __________ do not change a material's density.

4.

5 points

Atoms in _________ form tend to take up more space.

5.

5 points

The ____ of the silver does not change when the candlestick is melted.

6.

5 points

The particles in a solid, as you remember, are ________ in position.

7.

5 points

They are neatly stacked in a _________ pattern.

8.

5 points

The density of silver is _________ in its liquid state but not by as much as you might think.

9.

5 points

The density of most solids decreases slightly as temperature increases because solids ___________ when heated.

10.

5 points

This is due to the ____________ vibration of the silver atoms.

11.

5 points

Most materials are denser in their solid state than in their ______ state.

12.

5 points

________ is a notable exception.

13.

5 points

This creates a six-sided ___________ of molecules.

14.

5 points

It is much easier to lift yourself in a swimming pool compared with lifting yourself on ______.

15.

5 points

We call this force ___________.

16.

5 points

A simple experiment demonstrates the _________ force.

17.

5 points

We call this relationship ____________ principle.

18.

5 points

____________ explains why some objects sink and others float.

19.

5 points

If the buoyant force is less than its __________, then the object will sink.

20.

5 points

Buoyancy forces are created by differences in _________.

21.

5 points

The ________ transmits the force directly down.

22.

5 points

A force applied to a fluid creates __________ instead of stress.

23.

5 points

Pressure is force per unit area, like __________.

24.

5 points

Gravity creates pressure because ________ have weight.

25.

2 points

It takes force to make a molecule reverse its direction and ______ the other way.

26.

3 points

When temperature rises the jiggling of ___________ increases.