What is gravity?
A force that attracts objects towards the center of the Earth
What is the charge of an electron?
What is radiant energy?
Light energy
What planet is the farthest from the sun?
Neptune
What is the greenhouse effect?
The trapping of heat in the Earth's atmosphere by greenhouse gases
What is the charge of a neutron?
neutral or no charge
How is energy transferred in a speaker run by batteries?
Chemical (battery) to sound
Which planet is the hottest?
Venus
What effect does the greenhouse effect have on Earth's climate?
It increases Earth's temperature.
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
What naturally has nuclear energy?
the sun
Which planet is the coldest?
Uranus
Why is gravity important to our solar system?
It holds all of the planets in their orbit.
Copper (Cu), Oxygen (O2), and Carbon (C) are all examples of what?
elements
How is energy transferred when driving a car?
Chemical (fuel) to mechanical or heat
Which planet has the most moons?
Jupiter
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.
How do atoms chemically bond together? (Hint: there are 2 ways)
They can share electrons or give electrons away to the other atom.
How is energy transferred when you turn on a massage chair?
electrical to mechanical
Where is the asteroid belt located?
Between Mars and Jupiter