Constellations

Question 0

Why do the stars appear to move?

Answer 0

Because of the Earth’s rotation.

Question 1

What is a constellation?

Answer 1

A group of stars that form a pattern.

Question 2

Name 3 constellations

Answer 2

Ursa Major, Centaurus and Scorpius.

Question 3

How many constellations are there?

Answer 3

88

Question 4

How are seasons created?

Answer 4

The tilt of the Earth causes parts of Earth to receive different amounts of sunlight throughout the year.

Question 5

During which seasons are the hours of daylight and night equal?

Answer 5

Autumn and Spring

Question 6

During which season does the northern hemisphere receive the least amount of sunlight?

Answer 6

Winter

Question 7

What are the parts of the solar system?

Answer 7

1. Sun,
2. 9 planets,
3. moons
4. asteroids
5. comets

Question 8

Which planet travels faster, Mercury or Neptune?

Answer 8

Mercury

Question 9

The closer to the sun the planet is, the faster/slower it travels?

Answer 9

Faster

Question 10

Which 2 planets are closer to the sun?

Answer 10

Mercury and Venus.

Question 11

What is the largest body in the solar system?

Answer 11

The Sun!

Question 12

Which planet is farthest from the Sun?

Answer 12

Pluto

Question 13

Which is the largest planet in diameter?

Answer 13

Jupiter

Question 14

Which planet’s diameter is closest to Earth’s diameter?

Answer 14

Venus

Question 15

What is a galaxy?

Answer 15

A huge system of stars and dust and gas held together by gravity.

Question 16

What is black hole?

Answer 16

A point in space that has such a strong force of gravity that nothing within a certain distance of it can escape.

Question 17

What is a group of stars that form a pattern called?

Answer 17

A Constellation

Question 18

What is a Super Nova?

Answer 18

A gigantic explosion that occurs near the end of the life of a star.

Question 19

What is it called when stars form in a cloud called?

Answer 19

Nebula

Question 20

What is a light year?

Answer 20

The distance light travels in 1 year.

Question 21

Explain 2 factors

Answer 21

1. How far away it is from the Earth

2. How hot it is

Question 22

Explain what a sun spot is.

Answer 22

A dark, black spot on the sun that is not as hot as the rest of the photosphere

Question 23

Explain the pattern that exists in the number of sunspots that are observed.

Answer 23

The number of sunspots changes in cycles of about 11 years. Sometimes there are many, and sometimes there are few.

Question 24

Explain 2 reasons for sending telescopes into space.

Answer 24

1. To explore our solar system | 2. To explain how our planets were made.

Question 25

Why do stars appear to move across the sky?

Answer 25

Because the Earth rotates on its axis.

Question 26

Name 2 galaxies and what they look like.

Answer 26

1. Spiral Galaxy: The look like pinwheels with bright, bulging arms that fan out from the center. Most galaxies are spirals. 2. Eliptical Galaxy: Can be almost round or more oval like a football. The largest galaxies that we know of are eliptical.

Question 27

Explain why a star farther from the Earth is brighter that one closer.

Answer 27

It is hotter making it brighter and it is larger.

Question 28

Name the 3 layers of the sun

Answer 28

1. Photosphere (Inside) 2. Chromosphere (middle) 3. Corona (Outer layer)

Question 29

Which layer of the sun gives off the light energy that we see?

Answer 29

The Photosphere

Question 30

Watching the movements of the Sun, Moon, and stars was important to ancient cultures because it helped them do what?

Answer 30

Predict the seasons and know when to plant crops.

Question 31

Galileo discovered that...

Answer 31

1. The moon has mountains 2. The sun spins. 3. Venus has phases like the moon. 4. Jupiter has 4 moons 5. The Earth and the other planets revolved around the sun.