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Untitled quiz

Quiz by Jessica Drinnon

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Q 1/4

Score 0

A seaside community decides to build a barrier to reduce erosion and other damage to the beach ecosystem. The barrier needs to be able to withstand harsh winter winds and strong spring storms. Winds in the area usually produce a force between 3 and 10 newtons. Community leaders evaluate their options based on the strength and the cost of each barrier material and how often each material will need to be repaired or replaced. Which material will be the best choice for building the barrier?

A. have greater competition for resources than yellow perch living in the Holston River.

B. develop fewer illnesses than yellow perch living in the Cumberland River.

D. have a greater number of predators than yellow perch living in the Mississippi River

C. are better adapted to the environment than yellow perch living in the Tennessee River.

Q 2/4

Score 0

The picture shows a room with a ceiling fan and a fireplace. Heat from the fire warms the room. As fuel in the fireplace is burned, the fire gets smaller and then goes out. Then the air near the floor feels cooler. A person turns on the ceiling fan, and the air temperature near the floor begins to increase after the fan is turned on. Which of these best explains why the air temperature near the floor increases after the person turns on the fan?

D. Warm air from inside the room is drawn back into the fireplace when fan blades rotate.

C. The rotating fan pushes warm air that rose to the ceiling by convection back down into the room.

B. The rotating fan causes warm air near the ceiling to move throughout the room by conduction.

A. Fires produce more thermal energy when fan blades rotate.

Q 3/4

Score 0

Engineers have designed a hydrogen fuel cell car which is powered by the energy that is released when hydrogen and oxygen combine. To do this, the car's engine transforms chemical energy into mechanical energy. The only substance released from these cars is water vapor. A student claims that cars powered by this type of fuel have an advantage over cars powered by gasoline. Which statement supports the student's claim?

A. Hydrogen fuel cell cars do not contribute to air pollution because their only exhaust is water.

C. Hydrogen fuel cell cars use non- renewable energy sources.

B. Hydrogen fuel cell cars do not require maintenance like gasoline powered cars do.

D. Hydrogen fuel cell cars can be designed in a variety of shapes.

Q 4/4

Score 0

A student drew a diagram to illustrate convection currents in the atmosphere. How should the diagram be changed to accurately illustrate atmospheric convection currents?

C. Add an arrow pointing up from the land to represent warm air rising and an arrow pointing down over the water to represent cool air sinking.

B. Add trees and bushes to the land to represent transpiration.

A. Add coral and fish to the water to represent energy flow.

D. Add an arrow pointing down over the land to represent cool air sinking and an arrow pointing up from the water to represent warm air rising.

4 questions

Q.A seaside community decides to build a barrier to reduce erosion and other damage to the beach ecosystem. The barrier needs to be able to withstand harsh winter winds and strong spring storms. Winds in the area usually produce a force between 3 and 10 newtons. Community leaders evaluate their options based on the strength and the cost of each barrier material and how often each material will need to be repaired or replaced. Which material will be the best choice for building the barrier?

30 sec

Q.The picture shows a room with a ceiling fan and a fireplace. Heat from the fire warms the room. As fuel in the fireplace is burned, the fire gets smaller and then goes out. Then the air near the floor feels cooler. A person turns on the ceiling fan, and the air temperature near the floor begins to increase after the fan is turned on. Which of these best explains why the air temperature near the floor increases after the person turns on the fan?

30 sec

Q.Engineers have designed a hydrogen fuel cell car which is powered by the energy that is released when hydrogen and oxygen combine. To do this, the car's engine transforms chemical energy into mechanical energy. The only substance released from these cars is water vapor. A student claims that cars powered by this type of fuel have an advantage over cars powered by gasoline. Which statement supports the student's claim?

30 sec

Q.A student drew a diagram to illustrate convection currents in the atmosphere. How should the diagram be changed to accurately illustrate atmospheric convection currents?

30 sec

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