Natural Resources
Random
Variables
Electricity
Energy
100

What is an area over which surface water flows to a single collection place?

a. lake

b. watershed

c. reservoir

d. bay

Watershed

100

Which scientific tool is used to measure length?

a. a ruler or metered stick

b. a beaker

c. a thermometer


Ruler or Metered stick

100

What is kept the same in an experiment?

Constant

100

The path that electricity follows is called a?

Circuit

100

What of the following is an example of an insulator?

a. metal

b. rubber

c. a paper clip

a. rubber

200

What describes a large body of freshwater surrounded by a land?

a. lake

b. ocean

c. river

Lake

200

What can NOT measure elapsed time?

a. meter stick

b. clock

c. stopwatch

a. meter stick

200

Sammy wanted to see if the surface of the floor would affect how fast her toy car would go. What is the independent variable in this experiment?

The surfaces of the floor

200

Rubbing certain materials together creates what type of energy?

a. Mechanical

b. Static

c. Potential

d. Nucleur

Static

200

What is the natural force that causes things to fall toward the earth? 

Gravity

300

Which is NOT native to Virginia?

a. dogwood tree

b. iguana

c. white tailed deer

d. virginia oysters

Iguana

300

Wrapping a wire around a nail creates an electromagnet. What type of forces are created when these paper clips stick to the nails?

a. Electric force

b. Magnetic force

Magnetic force

300

Sammy wanted to see if the surface of the floor would affect how fast her toy car would go. What is the dependent variable in this experiment?

How fast her toy cars went.

300

Which type of circuit is being described. 

Other bulbs remain lit when one bulb goes out?

Parallel Circuit

300

An object that has stored energy has?

a. Potential energy

b. Kinetic energy

Potential energy

400

What is an important natural resource used for energy? It is a hard rock made of ancient pressed plant material that burns easily.

a. limestone

b. coal

c. granite

d. gravel

Coal

400

What is a ribbon-like waterway that flows towards the ocean, sea, or lake?

a. lake

b. bay

c. river

d. watershed

River

400

What is a factor in an experiment that changes as a result of the manipulation of the independent variable?

Dependent Variable

400
Which scientist had an impact on the development of artificial light?


a. Thomas Edison

b. Michael Faraday

c. Benjamin Franklin

Thomas Edison

400

What causes an object to stop or slow down?

Friction

500
Forests are an important resource in Virginia. Which type of forest grows naturally, without humans planting trees?

A natural forest

500

What type of energy powers the wall outlets in your house, your television, lamps, computer, lights, and microwave?

Electrical energy

500

What is the name for a variable that can be changed or manipulated in an experiment?

Independent Variable

500

What supplies energy in an electric circuit?

a. a conductor

b. light bulb

c. a wire

d. a battery

A battery

500

What is energy of motion called? 

a. Potential

b. Kinetic

Kinetic