The Solar System

Q.

Which is the largest planet of our solar system?

1. Earth

2. Saturn

3. Jupiter

4. Mars

Q. How much time does the moon take to revolve around the earth
earth.
27 or 29 days?

Q. Arrange the following planets in the increasing order of their size.

1. Mercury
2. Mars
3. Earth
4. Jupiter
5. Saturn

Q. Name the only star of the solar system.

1. Betelgeuse
2. Rigel
3. Sun
4. Pole star

Q. The diameter of the earth is:

1. 14000 km
2. 12000 km
3. 15000 km
4. 13000 km

Q.

Write a note on facts about the sun.

Q. What is the solar system? Explain.

Q.

What is solar system? Name the different types of celestial objects which are members of the solar system.

Q.

The lightest planet in the solar system is:

1. Mercury

2. Venus

3. Jupiter

4. Mars

Q.

Big or small heavenly bodies which revolve around planets are called:

1. moons

2. natural satellites

3. meteors

4. both A and B

Q. Pluto isn't a planet anymore, because:

1. It has no water and debris on it.
2. It is too far from the Sun.
3. It is too small and isn't nearly round in shape.
4. It cannot clear the debris off its neighborhood in its orbit.

Q.

Name two objects other than planets which are members of the solar system. Which planet is called morning star?

Each name: 1 Mark

Q.

Why there is a difference between the days taken by a moon to complete the whole revolution and the again come to back to form a full moon?

Q. Boojho made the following sketch of the solar system. Is the sketch correct? If not, correct it.

Q.

Question 7

The first of a month is the new moon day. On fifteenth of the same month, which of the following figures would represent the phase of the moon?

(a)

(b)

(c)

(d)

Q. What are the differences between inner and outer planets?

Q. How many planets in our solar system have rings

Q. The outer planet have gaseous outer cover.

1. False
2. True

Q. What are the bright objects that are in the night sky which are not luminous?

1. Planets
2. Stars
3. Constellations
4. The Sun

Q.

Which celestial objects are also called minor planets?

Q.

Why are the planets round?

Q. Question 22

Look at Fig. carefully and answer the following question:
(a) In which part of the sky would you see the full moon in the evening?
(b) In which part of the sky would you see the crescent moon in the evening?

Q.

Which star is the brightest star in the northern sky at night?

Q. Gibbous moon refers to:

1. Full moon in the sky
2. No moon seen in the sky
3. Solar eclipse
4. More than half-lighted moon but less than full moon

Q.

Why does the moon have different shapes on different nights?

Q. The distance travelled by light in vacuum in one year is

1. light day
2. light year
3. angstrom
4. parsec

Q.

At what position of the Moon will we see a Full Moon on Earth?

1. B
2. D
3. A
4. C

Q.

Name two objects other than planets which are members of the solar system. Which planet is called morning star?

Each name: 1 Mark

Q.

Which of the following is not a member of the solar system?

(a) Asteroids

(b) Morning star

(c) Satellites

(d) Constellations

Q. The solar family consists of:

1. The Sun and the nine planets along with its satellites, asteroids, comets and other celestial bodies form the solar family
2. The Sun, the planets and their satellites
3. The Sun, the planets and their satellites and other objects like asteroids, comets, meteors, etc
4. Sun only