earth + space

week 6

What are the conditions on Mars?

Cold, dry, rocky, dusty, and with a thin atmosphere.

What is Mars's atmosphere mostly made of?

Carbon dioxide (CO₂).

Why is Mars difficult for humans to survive on?

It is very cold, has little oxygen, low pressure, and high radiation.

Why is water important for life?

Life needs liquid water for biological processes.

Why are organic molecules important for life?

They are building blocks needed for life.

What evidence suggests Mars once had water?

Ancient river channels, lake beds, and water-related minerals.

What evidence suggests Mars may have had life?

Organic molecules and evidence of past liquid water.

Why is methane on Mars important?

It could come from geological or biological processes.

What would humans need to live on Mars?

Pressurised habitats, oxygen, water, food, and radiation protection.

What would Mars habitats protect humans from?

Radiation, extreme temperatures, and low atmospheric pressure.

What was the Apollo program?

NASA's program that sent astronauts to the Moon.

What was Apollo 11 famous for?

The first humans landing on the Moon in 1969.

How did technology improve Moon exploration?

Better computers, spacecraft, spacesuits, cameras, and communication.

What are satellites used for?

Communication, weather, navigation, and observing Earth.

What does GPS help us do?

Find locations and navigate accurately.

How does space technology help with natural disasters?

Satellites monitor fires, floods, storms, and cyclones.

How does space technology help agriculture?

Satellites monitor crops, soil moisture, and drought.

What everyday products came from space technology?

Memory foam, water purification systems, and scratch-resistant lenses.

How does space research help us understand the universe?

It helps scientists study stars, planets, galaxies, and black holes.

What evidence supports the Big Bang theory?

Galaxy expansion, cosmic microwave background radiation, and light elements.