Chemistry Middle School

Please help ill give you a 100 points! Its urgent!! Q^Q

Question Choice A Choice B Choice C

1. Density is a property of matter that
describes the relationship between the
____ of an object and how much
space it takes up.

a.volume
[purple]

b.length
[blue]

c.mass
[yellow]

2. Which of the following is the equation
for calculating density?

a.D=M/V
[green]

b.D=V/M
[orange]

c.D=MxV
[purple]

3. What is the density of pure water? 5 g/mL
[black]

a.100 g/mL
[purple]

b.1 g/mL
[red]

4. If an object has a density that is
water, the object will float.

a.more than
[yellow]

c.less than
[orange]

c.the same as
[green]

5. Aluminum has a density of 2.7 g/cm3.
When placed in water, the aluminum
cube will _.

sink
[blue]

float
[purple]

neither sink
nor float
[black]

6. A leaf has a density of 0.41 g/cm3.
When placed in water, the leaf will
_.

sink
[purple]

float
[green]

neither sink
nor float
[red]

7. The density of hot water is _
cold water because the molecules move
faster and spread apart.

less than
[yellow]

more than
[purple]

the same as
[blue]

8. If 45 mL of liquid has a mass of
130g, what is the density of the liquid?

2.89g/mL
[orange]

0.35g/mL
[green]

125g/mL
[purple]

9. An iron meteorite has a mass of
2300g and a density of 7.5 g/cm3. What
is the volume of the meteorite?

17,250cm3
[green]

306.7cm3
[red]

0.0033cm3
[black]

10. Gold has a density of 19.32 g/cm3.
If you cut a piece of gold in half, the
density of each piece will be _____.

38.64g/cm3
[purple]

9.66g/cm3
[yellow]

19.32g/cm3
[blue]

11. Which statement is true?

The smaller
something is, the
less density it has.
[yellow]

The larger the
volume, the more
the density.
[orange]

The density of a
pure substance will
stay the same
regardless of the
size of the object.
[green]

12. Which statement is false?

Turning off the
heat will cause a
hot air balloon
to sink.
[black]

Hot air balloons
rise because hot
air has less mass
than cold air.
[brown]

Hot air balloons
rise because hot
air is less dense
than cold air.

Answers

Answer 1

Answer:

1. C.

Explanation:

Answer 2

Answer:

Explanation:

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Answers

Answer:

strong cold front

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Land is not needed for a hurricane to form

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