Vocab
Something that makes the water or air dirty and unsafe
Pollutant
Motion depends on this push or pull
force
A pull force keeping you on the ground
Gravity
Who has a large impact on the Earth?
Humans
This is a prediction that tries to answer an investigative question
Hypothesis
Cutting down trees in a large area
Deforestation
Where you should start a ball on a ramp if you want it to have more potential energy
Higher
A bigger push or pull will make an object move
faster or farther
What is one way you can conserve water?
Take a shower
Take a shorter shower
Turn off the faucet when brushing teeth/ washing hands
This takes pollutants out of water
Filter
Potential energy
This type of slope will make an object roll raster and farther
Steep
This force causes objects to travel less distance and slow down
Friction
Freshwater and coal are examples of this type of resource
Nonrenewable
Strong conclusions include this from where
Evidence from the data table
A contact force that opposes the motion of an object
Friction
Increasing the potential energy of an object will increase the ______ and _______ it travels.
Speed and distance
Objects with more mass will traveler ________ and ________
faster and farther
Solar energy, wind, and trees IF consistently planted are a kind of this type of resource
renewable
Changing something in order to improve it using evidence
Revise
A material or resource that there is a set amount of that cannot be replaced naturally over time
Nonrenewable resource
When two objects interact there can be a _________ of energy which can change the objects motion
transfer
Carpet, Grass, rough, not smooth
These help keep soil from eroding and polluting nearby bodies of water
Plant roots
Proving that something is not true based on evidence
Refute