Category 1
Category 2
Category 3
Category 4
Category 5
100
During _______________, liquid water is heated by the sun and then rises into the atmosphere as water vapor.
What is evaporation?
100
The second most abundant gas in Earth's atmosphere is ______________.
What is oxygen?
100
The continuous movement of water into the air, onto land, and then back to water sources is known as ____________.
What is the water cycle?
100
Deep current flow along the _____________.
What is the ocean floor?
100
_________ causes air to be denser near Earth's surface.
What is gravity?
200
The _____________ of sea water is a measure of the quantity of dissolved salts.
What is salinity?
200
The process that occurs when water vapor forms water droplets on dust particles is know as _______________.
What is condensation?
200
The atmosphere contains ___________ which trap radiated heat near Earth's surface.
What are greenhouse gases?
200
Which step in the experimental method are scientists conducting when they photograph birds in flight?
What is observing?
200
Without the greenhouse effect, Earth's atmosphere would be ___________ to support life.
What is too cold?
300
The flow of heat from a warmer object to a colder object when the objects are placed in direct physical contact is known as ______________.
What is conduction?
300
When _________________ in the ocean flow past land, they influence the climate of the region.
What are surface currents?
300
A(n) ___________ current consists of air or a liquid moving in a circular path as it is heated and cooled.
What is convection?
300
Currents at the surface of the ocean are driven by ________.
What is wind?
300
What type of graph is best for comparing the data for several things in one graph?
What is bar graph?
400
The ______________ is a single, large, interconnected body of water that covers 70 percent of Earth's surface.
What is world ocean?
400
In the upper atmosphere, the form of oxygen that protects Earth from the sun's ultraviolet rays is called ____________.
What is ozone?
400
What part of Earth encompasses all areas where organisms can obtain the energy they need?
What is the biosphere?
400
Where is most of the freshwater on Earth located?
Where is in ice caps or glaciers?
400
The Earth's densest atmospheric layer.
What is the troposphere?
500
Electrically charged atoms
What are ions?
500
Small streams and rivers that flow into larger ones are called ________.
What are tributaries?
500
The ozone layer is located in the _____________.
What is the stratosphere?
500
The group that does not receive the experimental treatment in an experiment is the ____________.
What is the control group?
500
The 5 steps of the experimental method
What is observing, hypothesizing, predicting, experimenting, and communicating results?
M
e
n
u