This form of electricity is the result of two objects being rubbed together and there being an imbalance of positive or negative charges between them.
What is static electricity?
100
The Earth's magnetic field is strongest at the poles. Therefore, compasses point in this direction.
What is north?
100
These three are the most common states of matter.
What is solid, liquid, and gas?
100
This fossil fuel, a nonrenewable resource created from the fossils of plants and animals millions of years old, is a dark liquid found underground or underwater.
What is oil?
100
Rain, sleet, snow, and hail are all types of this.
What is precipitation?
200
This is a material that does not allow thermal energy or electricity to pass through it. An example is an oven mit.
What is an insulator?
200
Turning a bolt into a magnet using electricity is known as this.
What is electromagnetism?
200
The measure of the amount of matter in an object is called this. It does not change unless matter is added or removed.
What is mass?
200
Many believe this renewable energy, powered by the sun, is a solution to the many energy problems in our world.
What is solar power?
200
The process of changing liquid water into water vapor (water in its gaseous state).
What is evaporation?
300
This Italian scientist invented the electric battery. The unit of measurement for electric force, the volt, was named after him.
Who is Alessandro Volta?
300
The north-seeking pole of one magnet always attracts this pole of another magnet.
What is the south-seeking pole?
300
Volume is the amount of space that matter takes up. If a box measures 5 cm long, 2 cm wide, and 8 cm high, then the volume of the box is this.
What is 80 cubic centimeters?
300
These are the three main types of fossil fuels in use today.
What are oil, coal, and natural gas?
300
This part of the hurricane can be the most deadly and result in the most damage to buildings because this is where the winds are strongest and the rains are heaviest.
What is the eye wall?
400
This object, located on the outside of homes, shows the amount of electricity used by a family. Usage is measered in killowatt hours, kwh.
What is a meter?
400
Michael Faraday, an English chemist and physicist, used a magnet, a spinning copper disk, and other materials to create this, the world's first electric generator.
What is the electric dynamo?
400
Some liquids will float on top of other liquids because of differences in this. This is also what causes ice to float in liquid water.
What is density?
400
This renewable source of energy may be a solution to the energy needs of coastal communities in places such as Scotland. It uses the power of the ocean.
What are waves?
400
This type of breeze blows at night in coastal areas because the water is usually warmer than the land at night.
What is a land breeze?
500
This "root," found in the word circuit, means "to go around."
What is circ?
500
The word magnet comes from this ancient Greek territory located in what is now Turkey. This territory was famous for having large amounts of loadstone, a magnetic mineral.
What is Magnesia?
500
This kind of change occurred in our CO2 sandwich experiment where we mixed vinegar and baking soda in a plastic bag.
What is a chemical change?
500
Potential energy is stored energy, while this type of energy is energy in motion.