Chapter -1 (up in the sky)

Back exercise

Question 1: Why is sun important to us?

Answer 1: The sun is important to us because

1. It gives us heat and light.

2. Plants make food using sunlight.

Question 2: The sun and the Moon appear to be of the same size from the Earth. Why?

Answer 2. The sun and the Moon appear to be of the same size because the Moon is much closer to the Earth.

Question 3: Who were the first people to land on the Moon?

Answer 3. Neil Armstrong and Edwin Aldrin were the first people to land on the Moon.

Question 4: What is a star?

Answer 4. A star is a heavenly body. It is a big ball of gas. It has its own heat and light.

Question 5: What is a constellation? Write the names of any two constellations.

Answer 5. A constellation is a group of stars that forms patterns in the sky resembling figures of animals, people or things.

The great bear, leo, Orion and Scorpius are some constellations. (Accept any two of these).

Think and answer

Question: Can plants survive without sunlight? Why?

Answer: No, plants cannot survive without sunlight. Plants need sunlight to make food.