Solar System Flashcards
What is an asteroid?
Lumps of rock that orbit the sun
What is a comet?
A lump of ice and dirt that orbits the sun
What are craters?
The holes made by an asteroid hitting a planet
Name the gas giants
Saturn and Jupiter
What is the hottest planet?
Venus
What is the closest galaxy to us?
Andromeda
What does ‘waning’ mean?
Getting smaller
What does ‘waxing’ mean?
Getting bigger
How is the moon visible from Earth?
The moon is visible from Earth due to the reflection of sunlight
Why does an object weigh less on the moon?
An object weighs less on the moon than on Earth because the moon has a smaller mass than Earth
What is conduction?
The flow of heat inside an object and the heat flow between objects in contact with each other.
What is radiation?
Energy that comes from a source and travels through space at the speed of light
What is the big bang theory?
It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now and it is still stretching.
What is the cycle of the moon?
Waning Crescent > Third Quater > > Waning Gibbous > Full moon > Waxing Gibbous > First Quater > Waning Crescent > New Moon
What are the layers of the Earth?
Inner Core > Outer Core > Mantle > Crust
