5th - Science Unit 8 Lesson 1

Question 0

If the sun were a hollow ball,how many Earth’s could fit inside it?

Answer 0

1 million

Question 1

Is a object that produces it’s own thermal and light energy?

Answer 1

Star

Question 2

The mass of the Sun can be calculated if we know what two things?

Answer 2

1. How long it takes a planet to make one trip around the Sun.
2. The distance between the planet and the Sun.

Question 3

The mass of the Sun makes up 99.8 percent of all the mass where?

Answer 3

The solar system

Question 4

What can we calculate if we know how long it takes a planet to make one trip around the Sun and the distance between the planet and the Sun?

Answer 4

The mass of the Sun

Question 5

What two very light gases is the Sun mostly made up of?

Answer 5

Hydrogen and Helium

Question 6

What looks like a red circle around the Sun, when it is visible?

Answer 6

Solar flares

Question 7

Is a burst of heat and energy that stretches from the surface of the Sun into space?

Answer 7

Solar flare

Question 8

What are dark spots that appear on the surface of the Sun?

Answer 8

Sunspots

Question 9

Is a pattern formed by a group of stars in the night sky?

Answer 9

Constellation

Question 10

A constellation is a what formed by a group of stars in the night sky?

Answer 10

Pattern

Question 11

What can always be found directly north of your location?

Answer 11

Polaris, or the Northern Star

Question 12

Who first identified many of the constellations we know today?

Answer 12

Ancient Greek and Roman astronomers

Question 13

What is dependent upon how much light it gives off and it’s distance from the Earth?

Answer 13

A star’s brightness, or magnitude

Question 14

What measures how bright a star really is?

Answer 14

Absolute magnitude

Question 15

What measures how bright a star looks in the night sky?

Answer 15

Apparent magnitude

Question 16

What does the temperature on the surface of a star determine?

Answer 16

The star’s color

Question 17

What are the largest stars called?

Answer 17

Red Supergiants

Question 18

What are the smallest called?

Answer 18

Dwarfs

Question 19

What is the mean, or average, distance between the Sun and Earth?

Answer 19

Astronomical unit

Question 20

What are the layers of the sun? (Pg. 414-415)

Answer 20

1. Core
2. Radiation layer
3. Convection layer
4. Photosphere
5. Chromosphere
6. Corona

Question 21

What are occasional eruptions of energy from the Sun’s surface that stretch far out into space?

Answer 21

Solar flares

Question 22

Energy from solar flares also causes displays of different-colored lights in the Earth’s upper atmosphere. What are these called?

Answer 22

Aurora borealis