Random
The variable that you change in an experiment
What is an independent variable?
What is a renewable source?
This type of energy is heat energy.
What is thermal?
Name one function of a wetland.
Wetlands reduce erosion, decrease run-off, trap nutrients, filter water
This part of an atom is positive and located inside the nucleus.
What is a proton?
This is what a cold front looks like on a map. (color and shape)
What is blue and triangles?
What is 3?
When two or more elements are chemically combined it's called this.
What is a compound?
This is the chemical symbol for Hydrogen
What is H?
This causes day and night
What is the Earth's rotation (24 hours)
The earth spinning on its axis is called this motion.
What is rotation?
This type of pressure system brings lousy weather.
What is a low pressure system?
The three watersheds in VA.
What is the Chesapeake Bay, the North Carolina Sounds, and the Mississippi River?
What is a mountain?
Name one example of what we test to determine water quality.
What is pH, turbidity, temperature, dissolved oxygen, nitrates?
The layer of the atmosphere that protects us from meteors
What is the mesosphere?
Trees, birds, and insects are all what type of factor. (abiotic or biotic)
This is an example of a nonrenewable source.
What is petroleum (oil), natural gas, and coal?
the type of moon that it would be if the moon was in between the Sun and Earth
What is a new moon?
The plant was 2.3 inches tall.
A barometer measures this
What is air pressure?
This is the most abundant gas in the Earths Atmosphere.
What is Nitrogen? (the second most is Oxygen)
The type of heat transfer that states warm air rises and cold air sinks.
What is convection?
This causes the seasons
What is the tilt of the Earth's axis?
a pond skater can travel across the top of the pond without sinking. This is an example of what property of water?
What is surface tension?