7th
8th
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11th
100

Which nutrient is needed for the transport of oxygen in the blood?

Iron

100

What is a low hill formed when a glacier overruns a moraine?

Drumlin

100
What is the most important component of a heat pump?

Refrigerant

100

What is the long fiber of a neuron that transmits signals from the cell body to other nerve cells?

Axon

100

What term refers to the randomness of a substance or a system?

Entropy

200

Which nutrient helps muscles move correctly and maintains water balance?

Potassium

200

What are piles of debris left behind when a glacier melts?

Cirques

200

What fundamental force is responsible for elastic potential energy?

Electromagnetic force

200

What are the fibers of a neuron that carry information toward the cell body?

Dendrites

200

Which device is used to measure heat flow during the physical processes of chemical reactions?

Calorimeter

300

Which nutrient is needed to absorb certain minerals; comes from sun exposure?

Vitamin D

300

What type of narrow, curved rock formation forms when a sea cave is continually eroded?

Sea arch

300
According to the second law of thermodynamics, what property do natural processes tend to increase?

Entropy

300

What are the fats that are liquid at room temperature called?

Oil

300

What word is defined as the ability to do work?

Energy

400

Which nutrient is an indigestible polysaccharide?

Fiber

400

Which type of weathering involves the breaking or peeling away of rock into layers?

Exfoliation

400

What is an example of radiation?

Warming hands by a fire

400

What do we call the four front teeth on each jaw which cut food

Incisors

400

What happens when water at 0C is changed to ice?

Heat is released

500

Which nutrient helps blood to clot?

Vitamin K

500

As a dune forms, which side usually has a gentle slope that progresses up to the crest?

Winward side

500

Which method of heat transfer does a hot-water heating system use to heat a room?

Convection

500

What is a serious injury of the nervous system caused by an internal blockage or rupture of the blood vessels in the brain?

Stroke

500

What contains more energy while that the same temperature: steam or boiling water

steam

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