Earth and Universe Quiz

Planet A is a huge planet made mostly of gases like hydrogen and helium. It is famous for its large, bright rings. Planet B is a rocky planet with volcanoes and deep valleys. Its thick atmosphere is mostly made of carbon dioxide. Which real planets are Planet A and Planet B?

1. Planet A is Saturn, and Planet B is Venus
2. Planet A is Jupiter, and Planet B is Venus
3. Planet A is Saturn, and Planet B is Mars
4. Planet A is Jupiter, and Planet B is Mars

Answer: (a) Planet A is Saturn, and Planet B is Venus

Statement: "A meteor always has a tail like a comet and stays in space for years." What’s wrong with this statement?

1. Meteors stay in space and develop tails like comets when near the Sun.
2. Meteors are icy objects that orbit the Sun like comets.
3. Meteors move in long elliptical orbits and return near Earth regularly.
4. Meteors burn up in Earth's atmosphere and do not remain in space.

Answer: (d) Meteors burn up in Earth's atmosphere and do not remain in space.

Choose the correct option and complete the following sentences: 1. Outer planets are mostly made up of __________, which gives them a significant difference in composition compared to inner planets. 2. These planets have __________, which are made of ice and rock, and they also have many __________ orbiting them.

1. 1-gases, 2-frozen rings, moons
2. 1-rocks, 2-silicate rings, moons
3. 1-ice, 2-icy rings, asteroids
4. 1. gases; 2. icy and rocky rings; moons

Answer: (d) 1. gases; 2. icy and rocky rings; moons

If Earth stopped rotating but kept revolving, what would happen?

1. There would be no seasons
2. The Moon would crash into Earth
3. One side of Earth would always face the Sun and be hot
4. We would get more eclipses every month

Answer: (c) One side of Earth would always face the Sun and be hot

Which of the following statements about constellations is NOT true? 1. They are groups of stars that form patterns. 2. They always stay in the same position in the night sky. 3. Orion and Ursa Major are examples of constellations. 4. They help people identify directions and seasons.

1. Only 2
2. 1 and 2
3. 2 and 3
4. 2, 3 and 4

Answer: (a) Only 2

Study the events given below which of the following events is NOT caused by Earth’s revolution? 1. Seasons change 2. Sunrise and sunset times vary 3. Constellations change 4. Day and night occur

1. Only 4
2. 1 and 4
3. 2, 3 and 4
4. Only 3

Answer: (a) Only 4

Statements: 1. Stars are far away but look tiny. 2. Planets are closer but look like bright dots. 3. The Moon looks large and round. What can you conclude?

1. Size is always the reason we see things clearly.
2. The Moon is the biggest space object.
3. Distance affects how things appear from Earth.
4. Stars are part of the solar system.

Answer: (c) Distance affects how things appear from Earth.

Look at the statements given below and identify the correct similarities between stars and planets: 1. Stars give off their own light; planets do not. 2. Stars twinkle in the night sky; planets usually do not twinkle. 3. Planets are larger than stars. 4. Planets revolve around stars; stars stay fixed.

1. 1 and 2
2. 1, 2 and 4
3. 2 and 3
4. 1, 2, 3 and 4

Answer: (b) 1, 2 and 4

Why do scientists place artificial satellites in orbit around Earth?

1. To provide us with artificial daylight
2. To help monitor and predict weather patterns
3. To slow down the Earth’s rotation
4. To create new sources of energy for the planet

Answer: (b) To help monitor and predict weather patterns

Riddle Me This: I spin with speed and never sleep, With stripes and storms that run quite deep. No ground to walk, no place to land, With many moons that round me stand. The biggest one in the solar race— Which planet holds this mighty place? Who am I?

1. Earth
2. Neptune
3. Jupiter
4. Mercury

Answer: (c) Jupiter