Exam 11: Matter and Motion

Read the following statement and then select the response that properly describe the action of forces: "A book is lying on the lawn on a moonlit night."

Which of the following accurately defines atoms?

Which of the following is most closely related to an accurate explanation of why an airplane is able to rise in the air?

A nail accidentally dropped by a blacksmith two hundred years ago is discovered by an archaeologist. She observes the surface of the nail and writes in her notes, "One nail, probably iron." In at least three sentences, discuss whether a physical or chemical change has occurred, and provide information to support your conclusion.

Explain in a paragraph why a burnt hotdog turns black.

A substance that cannot be separated into simpler substances by chemical changes is known as which of the following?

Imagine that you inflate a balloon and release it. In at least three sentences, provide an explanation of why the balloon flies.

In at least a paragraph, describe thoroughly, using examples, the difference between elements, compounds, and mixtures.

The distance an object travels in a given unit of time is known as which of the following?

Which of the following is a correct statement?

Consider again the balloon example in question 5 above. In at least three sentences, explain how you could get the balloon to fly more slowly and why this would work.

What is the electric charge of each of the following parts of a carbon atom: proton, neutron, and electron? Provide at least a sentence to describe each part.

In a paragraph, describe the three states of matter, and how matter converts from one state to another.

While digging through an old wooden chest kept in the attic, Mark finds an old newspaper under a rubber toy. He lifts up the toy and sees that the paper is still white and the print is easily readable under the toy, but the rest of the paper is yellowing and almost brown. In at least three sentences, discuss whether a physical or chemical change has occurred with the yellowing of the paper, and provide information to support your conclusion.

Which of the following is most closely related to Newton's first law of motion?

Which of the following is not a component of the law of conservation of matter?

Which of the following serves as the definition of acceleration?

In at least three sentences, explain what causes an airplane to rise.

Which of the following defines the atomic number of an element?

A teacher tells a class "atoms are the smallest particles of matter." In at least two sentences, discuss how the teacher could clarify the statement and make it more accurate.