Earth and Moon Science Concepts

This video tutorial explores Earth's structure, focusing on its layers: crust, mantle, and core. It delves into the Moon as Earth's natural satellite, discussing its features, phases, and impact on tides. The video explains solar and lunar eclipses and highlights the history and importance of artificial satellites, including notable space missions by ISRO and other organizations.

What is the outermost layer of the Earth called?

• Lithosphere

• Crust

• Core

• Mantle

Which part of the Earth's core is in a molten state?

• Mantle

• Outer core

• Crust

• Inner core

Why does the Moon shine at night?

• It emits its own light

• It reflects sunlight

• It glows due to heat

• It absorbs light from stars

What is the primary reason no life exists on the Moon?

• Presence of craters

• Lack of gravity

• No atmosphere

• Too much sunlight

What causes the different phases of the Moon?

• The relative positions of the Sun, Moon, and Earth

• The Earth's rotation

• The Sun's position

• The Moon's rotation

When do the highest tides occur?

• During a solar eclipse

• During a lunar eclipse

• At new moon and full moon

• At first quarter and last quarter

What happens during a total solar eclipse?

• The Moon is not visible

• The Sun is completely blocked

• The Earth is in shadow

• The Sun is partially visible

Which type of eclipse occurs only on a full moon day?

• Annular eclipse

• Partial solar eclipse

• Solar eclipse

• Lunar eclipse

Which was the first artificial satellite launched by the USSR?

• Sputnik 1

• Aryabhata

• INSAT

• Apollo 11

What was the objective of India's Mars Orbiter Mission?

• To explore Mars' surface and atmosphere

• To land on Mars

• To study the Sun

• To orbit the Moon