What is gravity?
the force that pushes us down and makes us fall
freebee
hooray!!
24 hours
Does uranium decay?
yes
Was Albert Einstein a physicist?
yes
True or False. All matter has energy.
True, all matter is compacted energy
What is a magnetic field?
the area around a magnet in which there is magnetic force.
How many Nobel prize awards did Marie Curie win?
two
In a vacuum, what animal would fall faster? A puppy or an elephant?
They both fall at the speed in a vacuum
What is radiation?
energy that comes from a source and travels through space at the speed of light
Who first discovered physics?
Galileo Galilei
How many times can light circle earth in one second?
8 times
What is Newton's third law?
for every action there is an equal and opposite reaction.
Who discovered gravity?
Sir Isaac Newton
How long does it take for light to get from the sun to the earth?
About 8 minutes