Unit 1 Earth Sun Moon

Question 1

Mass

Answer 1

The measure of the amount of matter in an object

Question 2

Matter

Answer 2

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

Question 3

Gravity

Answer 3

The force of attraction between objects

Question 4

Weight

Answer 4

Measurement of gravity pulling on mass

Question 5

Vector

Answer 5

Arrow that represents magnitude (strength) and direction of force

Question 6

Celestial object

Answer 6

Object in outer space (Existars, planets, moon, black holes, etc)

Question 7

Revolution

Answer 7

The movement of a celestial object in a elliptical path around another

Question 8

Orbit

Answer 8

The curved path of a celestial object around a star, planet, moon, etc

Question 9

Rotation

Answer 9

The action of spinning around an axis

Question 10

Gravitational force

Answer 10

A force of attraction between objects in pace dependent on mass and distance

Question 11

Lunar eclipse

Answer 11

When the earths shadow covers the moon

Question 12

Solar eclipse

Answer 12

When the sun is hidden by the moon

               “Sun covered”

Question 13

Umbra

Answer 13

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

Question 14

Penumbra

Answer 14

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

Question 15

Eclipse

Answer 15

To cover

Question 16

Axis

Answer 16

A pole going through the center of the earth

Question 17

Equator

Answer 17

A line separating the earth into northern and Southern Hemispheres

Question 18

Tilted

Answer 18

Slanted; leaning

Question 19

Direct

Answer 19

Head on

Question 20

Indirect

Answer 20

Bouncing off of something