Earth is counted as the third planet from the Sun. Human beings and other creatures live on Earth. The Earth looks like a bluish-green ball. It is unique among all the planets.
Apart from all, the Earth is filled with plenty of water and some landmasses.
Moreover, it is covered with the layer of Air, and this planet holds the right combination of all the three, i.e., air, water, and Land, to help sustain life.
Universe
The Universe consists of Stars, Planets, Galaxies, and different forms of energy and matter. Our Universe consists of the Sun, Moon, Earth, Planets and the stars.
Sun
The Sun rises in the east and sets in the west. It is viewed as the brightest star in the sky.
Moon
Moon is much smaller than Sun. It doesn't hold its light.
Stars
Stars twinkles at Night in the Sky, and we can't see them in broad daylight. They are very tiny and far from us.
Solar System
A Solar system consists of 9 planets along with the Sun. The Sun is the centre of the Solar system and is called a part of the Milky Way Galaxy.
Learning Videos for 2nd Grade Science - Earth and Universe
Which of the following movements of the Earth causes day and night?
A. The revolution of the Earth around the Sun.
B. The rotation of the Earth around itself.
C. The vibration of the Earth.
D. The rolling of the Earth.
Question 2
How much time does the Earth take to complete one rotation?
A. One hour
B. One year
C. One day
D. One week
Question 3
Match the following and choose the correct answer.
Column-1 – Column-2
(a) I can be seen only at night - Globe
(b) I rotate on my own axis - Sun
(c) I give you heat and light - Earth
(d) lam model of the Earth. - Moon
A. a-4, b-3, c-2, d-1 -
B. a-l, b-2, c-3, d-4
C. a-3, b-2, c-1, d-4 -
D. a-4, b-2, c-1, d-3
Question 4
Which of the following is the correct sequence in the increasing order of the size of the Earth, the Moon and the Sun?