Gravity & Orbit
Moon & Tides
The Seasons
The Solar System
Miscellaneous
100
What do we call it when an object goes around another object, pulled by gravity?
Orbit
100
What kind of moon is this?
New moon
100
Fill in the blank: the Earth has a _______ orbit around the sun
Tilted
100
Which planets are further away from the sun, and larger with more moons?
Gas giants
100
Is there a center of the universe?
No
200
What word do we use for how much stuff an object has, or how heavy it is?
Mass
200
What kind of moon is this?
Gibbous moon
200
What do we call the halves of the Earth, divided by the Equator?
Hemispheres
200
Which two planets is the asteroid belt between?
Mars and Jupiter
200
What kind of object is the Milky Way?
Galaxy
300
Which two factors tell us how powerful an object will pull on us with gravity?
Mass and Distance
300
Why does the moon turn red during a lunar eclipse?
Because it is in the Earth's shadow
300
How many degrees is the Earth tilted?
23.5°
300
What are Saturn's rings made of?
Rocks and ice
300
How long ago did the universe begin?
13.7 Billion years ago
400
Why do rockets need to go fast sideways to go into orbit?
They need to go fast enough that the ground curves beneath them as they would fall
400
Why does the moon cause high tide on the side closest to it?
The moon's gravity is pulling the water up
400
If it is the fall here in Boston, what season is it in the southern hemisphere (like in Argentina)?
Spring
400
How do we know something is in the solar system?
It goes around the sun or a planet
400
Why don't we have a solar eclipse every month?
The sun is usually too high or too low
500
Which kinds of objects can produce gravity?
All objects produce gravity
500
Why does the moon cause high tide on the side furthest from it?
The center of the Earth is pulled a little more towards the moon than the furthest side
500
Why does the frigid zone have days where the sun never goes down or the sun never comes up?
Because it is pointed at the sun all day or never pointed at the sun
500
Why do scientists think the gas giants have more moons than rocky planets?
Because they have more gravity
500
Why are the stars of the galaxy in a disc shape?
They orbit a supermassive black hole