Circuits
Soil
Energy
Renewable/Nonrenewable Resources
Changes to Earth's surfaces
100
In order for a circuit to work, what does the item need?
Electric current.
100
Do all soils have the same size particles?
No
100
What energy is only used in the process of starting the microwave?
mechanical
100
Why do scientists think we need to conserve our nonrenewable resources?
It takes millions of years for them to come back.
100
When ice forms, it causes weathering by -
breaking rocks
200
Describe a complete circuit.
A circuit that is connected to a power source and closed.
200
Which soil type has the smallest particles?
Clay
200
When Hudson plays the drums for the Wester Band, what energy is he using?
Mechanical.
200
Petroleum (gas), coal, and oil are all renewable or nonrenewable resources?
Nonrenewable.
200
Where is one most likely to find rocks that have become smooth and rounded?
fast-moving river
300
True or false. An eraser makes a good conductor.
False
300
In our experiment, the best soil for supporting thriving plants was top soil. If we were to graph how the results looked for the soils, draw the graph.
Top soil would have the largest filled in.
300
The oven and the stove in your house convert what energy to another energy?
Electrical to thermal.
300
Why are animals considered a renewable resource?
They can be replaced in our lifetime because they have babies.
300
This rock formation formed over many millions of years. What force most likely created it?
Wind-blown sand carving large rocks
400
Is this a complete or incomplete circuit? Why?
incomplete, the switch is in the off/open position.
400
Which soil should have drained the least in our experiment?
Clay
400
When Mr. Ehmke comes in to class in the mornings and turns on his lights, how does the energy change by turning his lights on?
mechanical to electrical to light.
400
Which sentence is correct?
Crude oil, coal, and paper are all renewable resources.
Gold, coal, and plastic are all nonrenewable resources.
Trees, natural gas, and ice are all nonrenewable resources.
Water, wood, and fish are all renewable resources.
Gold, coal, and plastic are all nonrenewable resources.
400
Dunes are large piles of sand that shift slowly around in deserts and on beaches. What causes the dune to move from place to place?
Blowing winds
500
What would happen if I plugged everything in like it was supposed to be except I forgot to plug into the main wall outlet?
The computer would not have power/energy to work.
500
How did we find the amount of water that stayed (retained) in the soil sample during our experiment?
Subtract the water that we collected by the water we poured into the sample.
500
This boy is using a bow and arrow. What form of energy does a bow and arrow demonstrate?
Mechanical
500
Name three resources that are useful resources because they can be burned to give energy that they contain.
natural gas
coal
oil
500
The piling of sediment in a new area -
deposition