During the water cycle where does energy come from for evaporation?

• Plants to release oxygen into the atmosphere

• The sun, to provide thermal energy to the water

• Soil to trap water for run off

• Rocks to give off thermal energy

The microwave warming up the potato using what two kinds of energy?

• Light and electrical

• Mechanical and light

• Thermal and electrical

• Sound and electrical

Which picture best shows why the sun appears to move across the sky every 24 hours?

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All of the following can affect a delta except-

• Tides of the ocean

• Size of the waves from the ocean

• The amount of sediment carried and dropped off by deposition

• An increase in hunting and fishing in the area

The following picture is of a lake at sunset- which answer is true about light in the picture?

• Light will be refracted, bent in water

• Light can be reflected off a smooth surface like in the picture

• Light will travel in a straight line until it is absorbed by the water

• The light takes on any color that the water is

Which of the pictures is an example of an alternative energy source?

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This turtle lives in the pond. While observing him in his ecosystem what would be one interaction with the turtle and a living factor?

• The turtle swimming in the water slowly

• The turtle laying in the sun and then sliding back into the water

• The turtle swimming in the water to get some grass to eat

• The turtle getting out of the water and walking across the bank of the pond

Which picture requires both electric and thermal energy to function?

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If a student were to put a paper clip in one beaker, one tablespoon of sugar in another beaker and 1ml of vegetable oil in a 3rd beaker and then left them for 10 minutes what would she expect to find?

• beaker one- paper clip would sink to the bottom beaker 2- sugar would dissolve beaker 3- vegetable oil would float on water

• beaker one- paper clip would float beaker 2- sugar would dissolve beaker 3- vegetable oil would sink to the bottom of the beaker

• beaker one- paper clip would float beaker 2- sugar would sink to the bottom of the beaker beaker 3- vegetable oil would dissolve

• beaker one- paper clip would dissolve beaker 2- sugar would dissolve beaker 3- vegetable oil would dissolve

If a lid is put on a pan of hot water, what would you expect to occur within the next 2 minutes?

• Nothing

• The water will get hotter

• The inside of the lid will get water droplets on it because of evaporation and then condensation

• The water level will increase because of precipitation