Our Solar System Flashcards
What are the names of the planets in our solar system?
Mercury, Venus, earth, mars, Jupiter, Saturn, Uranus and Neptune.
What’s the name of our solar system?
The milky way
What do all planets have in common?
They’re sphere shaped, solid and orbit around the sun
What does a plantet do in a day ?
Spin’s on its axis
What does a planet do in a year?
Orbit around the sun
Why is Venus hotter than mercury?
Because Venus has an atmosphere of carbon dioxide, this traps most of the heat from the sun. This is called the greenhouse effect.
Which planet is nearest the sun?
Mercury
Which planet is furthest from the sun?
Neptune
Whats the biggest planet?
Jupiter
What’s the smallest planet?
Mercury
Whats the hottest planet?
Venus
What’s the coldest planet?
Neptune
Which planet has the longest day?
Venus
Which planets have the shortest day?
Jupiter+ Saturn
What’s astronomy?
The study of the universe
What’s the big bang theory?
An idea used to explain how the universe was formed
Whats the universe?
The universe is made up of everything that exists.
What is a galaxy?
A large group of stars, dust, gas and dark matter held together by gravity.
What is a moon?
A natural satellite which orbits a planet
What’s a star?
A ball of heat radiating gas held together by gravity
What is gravity?
A non contact force of attraction between objects
What’s an asteroid?
A lump of rock that orbits the sun
Whats a comet?
A small lump of ice +dirt that orbits the sun
Which planet has the most moons?
Jupiter
