Earth-Sun-Moon
Chemistry
Energy
Space
100

What is gravity?

A force that attracts objects towards the center of the Earth

100

What is the charge of an electron?

Negative
100

What is radiant energy?

Light energy

100

What planet is the farthest from the sun?

Neptune

200

What is the greenhouse effect?

The trapping of heat in the Earth's atmosphere by greenhouse gases

200

What is the charge of a neutron?

neutral or no charge

200

How is energy transferred in a speaker run by batteries?

Chemical (battery) to sound

200

Which planet is the hottest?

Venus

300

What effect does the greenhouse effect have on Earth's climate?

It increases Earth's temperature.

300

What does the chemical formula H₂O represent? (Hint: how many atoms of each element and how are they bonded together?)

Two hydrogen atoms and one oxygen atom chemically bonded to form water

300

What naturally has nuclear energy?

the sun

300

Which planet is the coldest?

Uranus

400

Why is gravity important to our solar system?

It holds all of the planets in their orbit.

400

Copper (Cu), Oxygen (O2), and Carbon (C) are all examples of what?

elements

400

How is energy transferred when driving a car?

Chemical (fuel) to mechanical or heat

400

Which planet has the most moons?

Jupiter

500

Why is gravity important to our lives?

It is what keeps our planet in orbit and allows life to exist on earth. OR It keeps us held down to earth, so we don't fall off.

500

How do atoms chemically bond together? (Hint: there are 2 ways)

They can share electrons or give electrons away to the other atom.

500

How is energy transferred when you turn on a massage chair?

electrical to mechanical

500

Where is the asteroid belt located?

Between Mars and Jupiter