Solution of Chapter 23. Earth and Beyond (Karnataka Board - Science Part II Book)

The constellation that helps to locate North Star is

The second biggest planet of the solar system has

The poles of this planet face the sun for longer periods of time than any other planet.

Polar ice caps of the planet Mars are due to

Heat waves are trapped to maximum extent in the planet

Fill in the blanks with suitable words

Radio signals are emitted by the planet ___________.

Fill in the blanks with suitable words

The colour of the planet Mars is __________.

Fill in the blanks with suitable words

A Winter season constellation is ____________.

Fill in the blanks with suitable words

Asteroids are mainly found between the orbits of __________.

Fill in the blanks with suitable words

Ultraviolet rays from the sun can be filtered by the earth’s atmospheric layer called _________.

Match the following :

Answer the following :

Which planet is called morning or evening star ?

Answer the following :

Which planet was removed from the list of 9 planets in 2006?

Answer the following :

Express the following in km

a. 10 light minutes

b. 10 light days

c. 10 light years.

Answer the following :

Name the following:

a. Most fascinating planet with a set of ring system as viewed from a telescope.

b. Nearest planet to the earth.

c. Nearest planet to the sun

d. Biggest planet of the solar system

Answer the following :

How are satellites different from planets?

Answer the following :

Which satellite has active volcanoes?

Answer the following :

Give reason for the following:

a. A person in England can recognize the pole star easily than a person in Bengaluru.

b. Mercury is difficult to observe.

c. A day on Venus is longer than its year.

d. Green house effect is prominent on Venus.

State true or false :

Saturn has the highest density.

State true or false :

Venus can be seen overhead in the night sky.

State true or false :

Aries (Mesha) is a Zodiacal constellation.

State true or false :

Mars contains oxygen in its atmosphere.

State true or false :

Moon has no atmosphere.

State true or false :

Titan is a satellite of Jupiter.