Gravity
What is the amount of matter in an object called?
Mass
What type of object is our Sun?
A Star
How long does Earth take to rotate once?
24 hours
What causes day and night?
The rotation of the Earth
Does the Moon produce its own light?
No, it reflects light from the Sun
What force causes two masses to attract each other?
Gravity
Where is the Sun located in the solar system?
At the centre
How long does Earth take to orbit the Sun?
365.25 days
At any moment how much of the Earth faces the Sun?
Half
What phase occurs when we cannot see the Moon?
New Moon
What is the formula used to calculate weight?
Weight = Mass × Gravity
What keeps the Sun together?
Gravity
How long does the Moon take to rotate once?
About 27.3 days
What happens when sunlight hits Earth directly?
The energy is concentrated and temperatures are warmer
What phase occurs when the entire lit side of the Moon is visible?
Full Moon
What is the gravitational strength on Earth?
10 m/s²
What two things does the Sun produce that support life on Earth?
Light and heat
Why do we only see one side of the Moon?
Because it rotates at the same speed as it orbits Earth
What happens when sunlight hits Earth at an angle?
The energy spreads out and temperatures are cooler
What happens during a lunar eclipse?
The Earth moves between the Sun and Moon and casts a shadow on the Moon
What is the gravitational strength on the Moon?
1.6 m/s²
What is the Sun mainly made of?
Gas
What does the Moon orbit?
The Earth
The tilt of the Earth relative to the Sun causes what?
The seasons
What happens during a solar eclipse?
The Moon moves between the Sun and Earth and casts a shadow on Earth