Planets
Space Objects
Solar System
Effect on Earth
tourism/
exploration
100

The closest planet to the sun

Mercury

100

What force keeps an object in orbit?

What is gravity?

100

How long does it take Earth to orbit the sun?

What is one year?

100

What causes earth to have seasons

Seasons are the result of the tilt of the earth towards/away from the sun.

100

What is space tourism?

Space tourism is when people pay a lot of money to go up and visit space. They do this for fun, or as an experience rather than for work or research.
200

The ringed planet

What is Saturn?

200

What is the main natural satellite of Earth?

What is the moon?

200

Where is the asteroid belt located?

Where is, between Mars and Jupiter?
200

When we are tilted away from the sun, which season is it?

Winter

200

What was the name of the space dog that orbited earth?

Laika

300

Which terrestrial planet is the largest?

What is Earth?

300

Define a satelite

A satelite is something that orbits around a planet or star.

300

How long is one rotation of Earth?

One day/24 hours

300
Explain why it is nighttime in some countries, and daytime in others
It is due to the Earth's rotation. The side of the earth facing the Sun is daytime, while the side facing away from the Sun is nighttime. 
300

Who was the first space tourist?

Dennis Tito

400

Pluto is now known as what type of planet?

What is a dwarf planet?

400

How are satelites used to predict weather?

They can take pictures of the earth, which are used by meteorologists to predict weather.

400

What does ISS stand for?

What is International Space Station?

400

What affects the tides on Earth?

The moon's gravity pulls the ocean water, causing high and low tides.

400

When does NASA plan to send humans to Mars?

2028

500

Which planets are known as the gas planets?

Jupiter, Saturn, Uranus, Neptune.
500

Why is a Mars Rover not considered a satelite?

It does not orbit around a planet or star, rather it travels on the surface of Mars.

500

Which planet takes the longest to orbit the sun?

Neptune

500

Which planet do scientist believe could possibly support life?

Mars

500

Name 2 advantages of space exploration

jobs, knowledge, monitoring weather, use of satellites, GPS systems.