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Basic Earth Science Flashcards | StudBud

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Basic Earth Science

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What do I already know about Earth Science. #basicEarthScience

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Questions 12

Answers

1
About how long does it take for the earth to rotate once?
60 minutes
1 month
365 days
24 hours
2
How do you calculate density?
Density = Mass/Volume
Density = Length X Width X Height
Density = Mass X Volume
Feel how heavy something is.
3
How old is the earth?
Between 60 and 70 million years
Between 13 and 14 billion years
Between 4 and 5 billion years
About 6000 years
4
Why does Ice float?
It's made of water.
It is slippery, and slides on top.
It is less dense than liquid water.
It is more dense than liquid water.
5
All rivers flow _________
South
down hill
North
toward the Equator
6
How many millimeters in a centimeter?
100
5
10
25
7
How many centimeters in a Meter?
20
10
100
1000
8
Why do the stars, sun, moon, and planets move across the sky.
Because the earth is rotating.
Because the earth is at the center of the universe.
Magic.
9
How do you find volume of an object?
Length × Width × Height
Length + Width + Height
Length 3
Compare it to known volumes.
10
What is the density of water?
2
1 pound/square inch
1
1 gram/milliliter
11
What do we call the motion of the earth around the sun?
circumference
Rotation
spinning
Revolution
12
Why do we have seasons?
Clouds reflect energy away from the earth causes seasons.
The earths constant tilt as we move around the sun.
The sun gives off different amounts of energy over a year.
The earth is closer to the sun in summer.