Force
Newton got hit in the head with an ________ which helped him discover gravity.
Apple
Light cannot escape this. The most powerful thing in the known universe.
Black Hole.
When a planet or moon rotates around another object.
Orbit.
The hottest planet in our solar system!
Venus
A Force with equal amounts of Force on all sides
Balanced Force
This man developed 3 laws of Forces and Motion.
Issac Newton
We use the _________ scale to measure water quality. A 7 on this scale indicates pure water.
Ph scale
The largest Ocean on the planet.
Pacific Ocean.
Named after the Roman God of War
Mars
A Force with unequal Forces on all sides
Unbalanced Force
Objects with more _________ will be more difficult to put into motion. They require more _______ to be put into motion and to pick up _______.
Mass. Force. Speed or Velocity.
The distance light travels in one year is called a ______.
light year
Plants breathe in this gas. They breathe out a different gas.
What are these two gasses?
Carbon Dioxide (CO2)
Oxygen (O2)
The gas that turns Neptune and Uranus bluish/green colors
Methane
Give 3 examples of Non-Contact Forces.
Wind
Gravity
Magnet
Newton's 2nd Law.
Force equals Mass times Acceleration
The definition of Velocity.
Speed in a certain __________.
Direction
A mushroom or a worm is an example of one of these.
Decomposer.
The difference between a comet and asteroid.
Comet contains ice, an asteroid does not.
Explain Newton's First Law of Motion and Forces.
An object at rest...
An object in motion...
Newton's 3rd law of Motion.
For every action force, there is an equal and opposite reaction.
The equation for finding average speed.
S=D/T
The two most populated countries on Earth.
China. India.
This phenomenon occurs when the moon passes between the earth and the sun, blocking out the visible sun from Earth.