Unit 1 Earth-Sun-Moon

Question 1

Mass

Answer 1

The measurements of matter

Question 2

Matter

Answer 2

Material (stuff) in an object made from atoms and molecules

Question 3

Gravity

Answer 3

Force of attraction between objects

Question 4

Weight

Answer 4

Measurements of gravity pulling on mass

Question 5

Vector

Answer 5

Arrow that represents magnitude and direction of force

Question 6

Celestial object

Answer 6

Object in outer space (stars, planets, moons, black holes, ext.)

Question 7

Revolution

Answer 7

The movement of celestial objects in a elliptical path around another

Question 8

Orbit

Answer 8

The curved path of celestial object around a star, planets, moons

Question 9

Rotation

Answer 9

The action of spinning around an axis

Question 10

Gravitational force

Answer 10

A fore of attraction between object in space dependent on mass and distance

Question 11

Eclipse

Answer 11

Means to cover

Question 12

Lunar eclipse

Answer 12

Earth’s shadow covers moon

moon covered

Question 13

Solar eclipse

Answer 13

Sun hidden by the moon

Sun covered

Question 14

Umbra

Answer 14

The fully shaded inner region (area) of a shadow; especially the area on earth or moon experiencing a total eclipse

Question 15

Penumbra

Answer 15

A shadow made by the sun or moon when there is a partial eclipse; it is outside of the umbrella

Question 16

Direct

Answer 16

Head on

Question 17

Indirect

Answer 17

Bouncing off

Question 18

Axis

Answer 18

Going through the center of the earth

Question 19

Equator

Answer 19

A lime separating the earth into norther and souther hemisphere

Question 20

Tilted

Answer 20

Slanted or leaning