design an experiment that tests the effect of force on an object
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Q 1/6
Score 0
A student uses a spring scale to pull a 50-gram block horizontally across a wood desk. Then the student pulls the block the same distance across surfaces of carpet, sandpaper, and glass. Which question is this investigation most likely designed to answer?
60
How do blocks affect spring scales?
How does the mass of a block change when it is pulled across a desk?
How do different surfaces affect the amount of force needed to move a block?
How do blocks of different sizes react to force?
Q 2/6
Score 0
A student observes that the craters on the moon are different sizes. The student designs an experiment to study the formation of craters. The materials for the experiment are marbles and a pan of flour. The student makes a hypothesis that the size of the craters made on the surface of the flour will depend on the height from which the marble is dropped. Some of the steps in the student’s experiment are described below. Which of these is most likely Step 3 in the student’s experiment?
60
Drop the same marble from different heights into the pan of flour
Drop marbles of different masses from the same height into the pan of flour
Drop a single marble one time into the pan of flour
Drop marbles of different sizes from different heights into the pan of flour
6 questions
Q.
A student uses a spring scale to pull a 50-gram block horizontally across a wood desk. Then the student pulls the block the same distance across surfaces of carpet, sandpaper, and glass. Which question is this investigation most likely designed to answer?
1
60 sec
5.6.D: Force, Motion and Energy
Q.
A student observes that the craters on the moon are different sizes. The student designs an experiment to study the formation of craters. The materials for the experiment are marbles and a pan of flour. The student makes a hypothesis that the size of the craters made on the surface of the flour will depend on the height from which the marble is dropped. Some of the steps in the student’s experiment are described below. Which of these is most likely Step 3 in the student’s experiment?
2
60 sec
5.6.D: Force, Motion and Energy
Q.
A student designs an experiment to test the force of a spring using a spring launcher and four spheres with the same diameter but with different masses. What other piece of equipment would be most useful for this experiment?
3
60 sec
5.6.D: Force, Motion and Energy
Q.
A student designs an experiment to test the effect of the width of a piece of elastic on the elastic’s ability to stretch. The student selects four pieces of elastic with different widths but the same length. The student then attaches blocks with different masses to the pieces of elastic. The results of the student’s experiment are shown below. What should the student do to improve this experiment?
4
60 sec
5.6.D: Force, Motion and Energy
Q.
Students drop the same heavy ball onto identical blocks of soft clay from different heights. For each height they measure the depth of the dent the ball makes in the clay. Why is the depth of the dent different in each trial?
5
60 sec
5.6.D: Force, Motion and Energy
Q.
The diagrams show two trials of an experiment in which a spring scale was used to measure force. This experiment can be used to determine —
