Earth
Sun and Stars
Moon
This and That
Vocabulary
100
This causes the Earth's seasons.
What is the tilt of the Earth?
100

Nuclear fusion is the process of pressing together what element?

What is "hydrogen"

100

It takes this long for the moon to revolve completely around the Earth.

What is 27.3 days or about a month?

100

The center of every solar system is a star for this reason

What is, "Its size/mass"

100
This word describes the Earth spinning continuously.
What is "rotating"?
200

The tilt of the Earth is...

What is "23 degrees"?

200

A big fiery ball of plasma called this.

What is a "star"?

200

If you jumped on the moon how would it compare to jumping on Earth and why?

What is, "You could jump higher due to less gravitational force"

200
It takes this long for the Earth to complete on full rotation.
What is 24 hours?
200
This imaginary line goes from the North Pole to the South Pole of the Earth.
What is the "axis"?
300
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
300

When a star is hotter, what would you expect the brightness to be?

What is, "more bright"

300

Much like the Earth the Moon also goes through these two processes

What is, "revolution and rotation"?

300

This planet has the most moons with a whopping 146 moons.

What is "Saturn"

300

fahrenheit, celsius, and _______ are the 3 units for temperature

What is "Kelvin"?

400

When it is winter in North America, it is this in Australia.

What is "summer"?

400
This occurs when the moon moves between the sun and the Earth, blocking some the the sun's light.
What is a "solar eclipse"?
400

The phase of the moon depends on what factor(s)?

The position of the Earth/Moon/Sun

400

Most planets follow the pattern of "further from the sun = colder". One planet does not follow this. Tell me the planet and the reason why it doesn't "follow the rules"

What is, "Venus and its thick atmosphere"

400
As we see less and less of the lit part of the moon, we say that it is doing this.
What is "waning"?
500

If you were to dig deeper into the Earth how would the gravitational forces change

What is "increasing the gravitational forces"?

500

At the end of a star's life it may become a black hole. What is the point of no return around a black hole called?

What is "the event horizon"?

500

The moon affects this part of the Earth, changing it daily with gravity.

What is the "ocean tide"?

500

What causes all planets to be round?

What is "A planet's gravity pulls equally from all sides. Gravity pulls from the center to the edges like the spokes of a bicycle wheel. This makes the overall shape of a planet a sphere, which is a three-dimensional circle. "

500

This is another term to refer to the brightness or luminosity of a star

What is "absolute magnitude"?