Answer:
Sun gives heat and light to earth. Earth orbits sun in 365.242 days. THis orbital motion makes seasons along with axial tilt of Earth.. Suns heat makes clouds making rains.so most places on earth gets water and plants survive.
Answer:
what is the exact time of revolution of the earth around the sun ?
where is the axis of rotation (of the earth) pointed towards ?
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Answer:
a
Explanation:
it would be the most reasonable
Which is not needed for a hurricane to form?
Answer:
strong cold front
Explanation:
Why is cell division a
necessary function of living things?
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.
Answer:
1. C.
Explanation:
Answer:
?
Explanation: