(picture #4) According to this equation, what happened to the carbon and oxygen?

Which energy transformation occurs first in a coal-burning power plant?

(picture # 5) This is a radiometer. One blade is painted yellow and one is black.If placed in the sun the blades begin to spin. This device is powered by what kind of energy?

(picture #6) This data table shows the results of an investigation. What information should be used for the column headings marked x?

Which of the following is an example of potential energy?

(Picture #7) What is the role of the Orca in this food chain?

A car manufacturer reduces the mass of a car by 250 kg. If the new design is otherwise identical to the olod design, how will the new car compare to the old car?

A student predicts that similar ice cubes will melt faster in a microwave than in a pot on the stove. How should this hypothesis be tested?

Which of these best describe the particle motion taking place as CO2 gas is exposed to freezing temperatures

The best scientific reason for a scientist to accept a specific theory is

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