Which of the following objects uses electricity that flows through a circuit from an electric power company? #37
Toaster
100
What will the magnets do when placed next to each other #41
They will repel each other.
100
Which of the following is NOT a factor that can contribute to erosion? #43
Glaciers
100
Which of the following is the best evidence that there is a drought? #48
A ring of lighter color on the rock above a lake's water level.
100
Which of the following BEST describes the weather in Florida? #51
Raining with a warm front moving in.
200
Which of the circuits is a SERIES circuit? #38
Drawing D
200
Which set of magnets has the greatest force between them that would cause them to attract each other the fastest? #42
Picture B
200
What is the difference between weathering an erosion? #44
Weathering breaks apart particles, and erosion moves them.
200
Which of the following water sources contrains the most water? #49
Surface water.
200
Which of the following BEST describes the sy conditions over Tucson? #52
Clear Skies
300
What causes a flashlight to turn on when its button is pushed? #39
Pushing the button changes the circuit from an open circuit to a closed circuit.
300
The space program has affected our lives in many ways. Which of the following has affected our everyday lives the MOST? #28
Communications satellites have improved modern communication such as the cell phone.
300
How can wind cause erosion? #45
Rock particles being carried by the wind scrape away at other rocks.
300
Which of the following sources of water contains water vapor? #50
Atmospheric water.
300
Looking at the table of the weather in Phoeinx: What is the most accurate observation that can be made about this Phoenix forecast? #54
The hottest days will most likely be friday and Saturday.
400
Which of the items listed is the best electrical conductor? #40
Copper
400
Which of the following is one of the most important discoveries that came from medical research? #29
Vaccines to give people to prevent them from getting a viral infection.
400
Which of the following slowly changes the surface of the Earth? #46
Weathering
400
Approximately what percentage of the Earth's surface is covered in water? #53
75%
400
Over time the increasing temperatures of the Earth can best be explained by #27
The greenhouse effect
500
What metric units should you use to measure the length of your pencil? #11
centimeters
500
With the invention of automobiles, people could travel much more easily and quickly. However, (transition) there were some negative side effects as well. What is one negative result from using automobiles? #30
Automoble exhause pollutes the air.
500
Which of the following can cause a slight decrease in the temperature of a region? #47
Volcanic Eruptions
500
Many cactus plants have very sharp needles and thorns. How does this help them survive in a desert environment? #31
Thirsty animcals will not eat the cactus plants to get the water they contain.
500
Thomas wants to investigate tmperature changes through the month of January using the termometer outside his house. Which variable must be the same each time he measures? #9