science chapter 1 vocab

Question 1

Rotation

Answer 1

the act of spinning around an axis for example how the earth spins on its axis

Question 2

Revolution

Answer 2

the movement of one object around another for example how the earth travels around the sun.

Question 3

Axis

Answer 3

An imaginary line that an object rotates around for example the Earth’s axis runs from the North pole to the south pole.

Question 4

Gravity

Answer 4

the force that pulls objects near each other for example Gravity keeps us on the ground and pulls objects down.

Question 5

Exert

Answer 5

to apply or bring something into use for example to exert forced means to push or pull with strength.

Question 6

Orbit

Answer 6

the curved path that a object takes as it moves around another object in space for example the path the earth takes around the sun.

Question 7

Equator

Answer 7

An imaginary line that divides the northern and southern hemispheres it is located halfway between the north and south pole.