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Water Properties Chemistry

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

Water Properties Chemistry
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why does ice float?

As water freezes, it expands and its density decreases.

As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.

As water freezes, air becomes trapped between the hydrogen bonds of water molecules.

As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What property of water helps to moderate earth's temperature?

adhesion

cohesion

Specific heat capacity

Latent heat of vaporization

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What kind of molecule is water?

Polar Covalent

Nonpolar Covalent

Metallic

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which part of a water molecule has a slightly Positive Charge?

The Hydrogen

The Oxygen

The Top

The Bottom

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Water is a universal solvent because it...

It can be found anywhere

It freezes when it gets cold

floats when frozen

Dissolves most substances

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The fact that ice floats on liquid water is due to the fact that water's solid state is ___________ than it's liquid state

less polar

more polar

less dense

more dense

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If salt is dissolved in water, water is the ____________

Solute

Solvent

Suspension

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