Lesson 2

Question 1

Satellite

Answer 1

A natural or artificial object in space that circles around another object.

Question 2

Phases

Answer 2

The appearance of the shape of the Moon at a particular time.

Question 3

Tide

Answer 3

The regular rise and fall of the water level along a shoreline.

Question 4

Solar eclipse

Answer 4

A blocking of the Sun’s light that happens when Earth passes through the Moon’s shadow.

Question 5

Lunar eclipse

Answer 5

A situation that occurs when Earth, the Sun, the Moon are in a straight line and Earth’s shadow falls across the Moon.

Question 6

One of many small, rocky objects between Mars and Jupiter

Answer 6

Asteroid

Question 7

A chunk of rock from space that travels through Earth’s atmosphere

Answer 7

Meteor

Question 8

A mixture of ice, frozen gases, rocky and dust left over from the formation of the solar system

Answer 8

Comet

Question 9

An object in space that produces its own energy,including heat and light

Answer 9

Star

Question 10

A huge cloud of gas and dust in space that is the first stage of star formation

Answer 10

Nebula

Question 11

An object whose gravity is so strong that light cannot escape it

Answer 11

Black hole

Question 12

The distance light travels in a year

Answer 12

Light year

Question 13

A star that can no longer turn helium into carbon; it cools and shrinks, becoming very small and dense

Answer 13

White dwarf

Question 14

Any of the patterns that are formed by a group of stars in the night sky

Answer 14

Constellation

Question 15

A star that has produced more energy than gravity can hold together and has exploded

Answer 15

Supernova

Question 16

As the Earth revolves around the Sun the ______________ revolves around the Earth.

Answer 16

Moon

Question 17

The Moon’s orbit around the Earth takes ______________ days.

Answer 17

29

Question 18

The apparent shapes of the Moons are called ______________.

Answer 18

Phases

Question 19

________________ phase is when you can’t see the moon at all.

Answer 19

New Moon

Question 20

_______________ phase is almost a full moon.

Answer 20

Gibbous moon

Question 21

________________ phase is when you see a sliver of the moon.

Answer 21

Crescent Moon

Question 22

__________________ phase is when the moon appears smaller.

Answer 22

Waning

Question 23

_________________ phase is when the moon appears larger

Answer 23

Wacing

Question 24

The moon’s gravitational pull causes the tides and it happens twice a day the rise and fall of the tides are called a ______________ and ______________.

Answer 24

High tides and low tides

Question 25

________________ are small rocky or metallic object that orbits the Sun in both the inner and outer regions of the Solar System.

Answer 25

Meteoroids

Question 26

_______________ is a meteor that hits the Earth’s surface.

Answer 26

Meteorites

Question 27

The head of a comet is made up of a _______________ and nucleus.

Answer 27

Coma

Question 28

A ___________ is formed when the heat from the Sun’s rays pushes some of the coma away from the comet.

Answer 28

Glowing tail

Question 29

Stars have different colors.Colors occur because of the surface ______________ of each star.

Answer 29

Temperature

Question 30

Sun’s temperature makes it look _______________.

Answer 30

Yellow

Question 31

Cooler stars appear _____________ or ______________

Answer 31

Red and orange

Question 32

Warmer stars appear _______________ or ________________

Answer 32

White and Blue

Question 33

The Sun is about ____________ years old.

Answer 33

5 billion

Question 34

It takes 8 minutes for ____________ to reach Earth.

Answer 34

Light

Question 35

Astronomers use _______________ to describe the great distance between stars.

Answer 35

Light years

Question 36

Constellation are named after ______________ ____________ or objects.

Answer 36

Animals and Fictional characters

Question 37

There are ______ constellation.

Answer 37

88

Question 38

Travelers can use the Big Dipper or the Little Dipper to find ____________ which tells you which direction is ____________.

Answer 38

Polaris and North

Question 39

The Sun contains 99% of the Solar System’s total _______________.

Answer 39

Mass

Question 40

92% of the Sun is made up of _____________ gas.

Answer 40

Hydrogen

Question 41

________________ are the sudden release of energy from the Sun’s atmosphere.

Answer 41

Solar flares