Earth's Rotation Vocab

Question 1

The act of spinning around an axis; for example, how the Earth spins on its axis

Answer 1

rotation

Question 2

the movement of one object around another; for example, how the Earth travels around the sun

Answer 2

revolution

Question 3

an imaginary line that an object rotates around; for example, the earth’s axis runs from the north pole to the south pole

Answer 3

axis

Question 4

the force that pulls objects toward each other; for example, gravity keeps us on the ground and pulls objects down

Answer 4

gravity

Question 5

to apply or bring something into use; for example, to exert force means to push or to pull with strength

Answer 5

exert

Question 6

the curved path that an object takes as it moves around another object in space; for example, the path the Earth takes around the Sun

Answer 6

orbit

Question 7

an imaginary line that divides the Earth into the Northern and Southern Hemispheres; it is located halfway between the North and South Poles

Answer 7

equator

Question 8

why do we have leap years?

Answer 8

leap years help us keep up with our calenders

Question 9

what specific degrees is the Earth tilted at?

Answer 9

23.5 degrees

Question 10

why do the North and South Poles sometimes have days with no light and no darkness?

Answer 10

because the Earth is tilted at about 23 degrees, making long nights and long days