Forces
Energy
Scientific Method
Life Science
Earth Science - Water
100

Forces cannot act on objects from a distance, only through direct contact. 

True or False

False 

100

A rubber band stretched around a newspaper has elastic potential energy. 

True or False

True

100

These are the variables that remain the same in an experiment. 


Control group or Control or Constants

100

Once in the leaves, water is exchanged for what as it evaporates? 

A. oxygen

B. nitrogen

C. carbon dioxide 

C. carbon dioxide 

100

About how much of the Earth's surface is made up of water? 

A. 65%

B. 71%

C. 74% 

B. 71%

200
Which type of force creates contact between two surfaces? 

Friction

200

If an object's kinetic energy is 50J and the energy is 120J, what is its total mechanical energy? 

170 or 170J

200

Part of the scientific method that answers the original question. 

A. Results

B. Hypothesis

C. Conclusion 

C. Conclusion 

200

What is the name of the process in which water exists the plant as a vapor through stomata? 

A. Transpiration 

B. Condensation 

C. Evaporation 


A. Transpiration 

200

DOUBLE JEOPARDY

Approximately how much of Earth's water is fresh, drinkable water? 

A. 3%.      B. 14%.      C. 21%.


A. 3%

300

DOUBLE JEOPARDY

In what unit are forces measured? 

A. Newtons

B. Meters

C. Joules

A. Newtons 

300

A battery being stored in a drawer has what type of potential energy? 

A. Gravitational 

B. Mechanical 

C. Chemical 

C. Chemical 

300

This is the prediction about the outcome of an experiment. 

A. Conclusion

B. Hypothesis

C. Experiment

B. Hypothesis

300

Soil provides most of the material for plant growth. 

True or False

False

300

How much of Earth's fresh water is frozen and unavailable for drinking or crops? 

A. 49%

B. 57%

C. 75%

C. 75%

400

Forces are vectors because they have both size and direction. 

True

400

A pencil that is about to fall off of a desk has which specific type of potential energy? 

A. Chemical

B. Elastic

C. Gravitational 

C. Gravitational 

400

The variable that is the cause or happens first. 

Independent variable

400

What do plant leaves use from the air to make sugars (food) for growth? 

A. Hydrogen

B. Oxygen

C. Carbon dioxide 

C. Carbon dioxide

400

Water is related to all forms of _______ on Earth. 

A. rock

B. erosion

C. weather

C. weather

500

What is the scientific name for a push or a pull?

Force

500

When an object has energy because of its position, it is called _______ energy. 

Potential

500

DOUBLE JEOPARDY

The variable that is measured or is the effect. 

Dependent variable 

500

As a plant grows taller and healthier, what happens to the soil in which it is planted? 

A. soil decreases

B. soil increases

C. soil does not change

C. Soil does not change

500

Mrs. Fly loves to drink water.

True or False 

False