The Sun

Q. The Sun appears to rise in the east and set in the west when viewed from Earth.

1. True
2. False

Q.

How is a black hole formed?

Q. The Sun is a huge ball of _____.

1. water
2. gases
3. rocks
4. ice

Q.

Sun is the primary source of light for the planet earth.

1. True
2. False

Q. Venus is the brightest planet in the night sky.

1. True
2. False

Q.

It is safe to look directly at the Sun.

1. False
2. True

Q.

What makes the Sun more important than other stars?

1. Closest star to Earth

2. Larger than other stars

3. Smaller than other stars

4. Gives us heat and light

Q.

How much of the solar system's mass is the sun?

1. 10%
2. 25%
3. 50%
4. 99%

Q. The Moon rises in the __________.

1. West
2. East
3. North
4. South

Q.

Arrange according to size from smallest to biggest in our Solar System - planets, meteoroids, Sun.

1. Planets, Meteoroids, Sun

2. Meteoroids, Planets, Sun

3. Sun, Meteoroids, Planets

4. They are all of the same size

Q. Which of the following is the ultimate source of energy?

1. Sun
2. Fossil fuels
3. Water
4. Atmosphere

Q. _____ is the closest planet to the Earth.

1. Venus
2. Jupiter
3. Mars
4. Mercury

Q. The sun is the star at the centre of the solar system.

1. False
2. True

Q. How long does Mercury take to orbit the Sun?

1. 245 days
2. 320 days
3. 88 days
4. 465 days

Q. State any 3 uses of spacesuits.

Q.

Change From Direct To Indirect Speech The Teacher Said The Sun Is At The Centre Of

The Sun Is At The Centre Of

Q. The sun is the star at the centre of the solar system.

1. False
2. True

Q.

The Sun is the ultimate source of all forms of energy on the surface of the Earth.

Q. Which of these is a planet?

1. Only C
2. B and C
3. B, C, and D
4. C and D

Q. A black hole is the dead mass of a .

1. star
2. planet
3. moon
4. dinosaur

Q. The name of the galaxy, to which our Sun belongs, is:

1. Andromeda galaxy
2. Whirlphool galaxy
3. Milky Way galaxy
4. none of the above

Q.

What is on the other side of a Blackhole?

Q.

The coldest planet is:

1. Neptune

2. Jupiter

3. Uranus

4. Saturn

Q. What is formed when heavy and massive stars die?

1. Black hole
2. Meteor
3. Asteroid
4. Planet

Q. A day will last longer than a year on Venus.

1. True
2. False

Q.

How much time does it take for the Sun's rays to reach Earth?

1. 8 minutes

2. 4 hours

3. 2 days

4. 1 light year

Q. Two point mass particles each of mass M are placed at the separation of 2R and they revolve in a circular path under the influence of mutual gravitational pull . Find the angular speed of them.( Binary star system)

Q. Moon and stars are not visible during the daytime because:

Q. Which of the following statements are correct about the Sun?

1. Closest star to the Earth
2. Main source of heat for Earth
3. Made up of gases
4. Smallest star in our galaxy

Q.

What is the primary source of energy in our Solar System?

1. Wind

2. The Sun

3. Tides

4. Moon