CFE Nature of Science/Observation Honors Exit Slip

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

• They type of pot you put the plants in.

• The amount you water each plant.

• The amount of sunlight the plants get.

• The amount the plant grows.

If you were testing the time it took for objects of different sizes to reach the ground after being dropped from 30 feet in the air, which of these would be the DEPENDENT VARIABLE?

• The time it takes for each object to hit the ground.

• The size of each object.

• The type of object you use.

• The height you drop the object from

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A scientist is studying if height and arm length are connected. What can the scientist conclude from this graph?

• Height does not affect arm length.

• Height does affect arm length for most people.

• Height always affects arm length.

• There is no trend so I would not be able to tell.

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The variable that is measured. (a)  

• Controlled Variable
• Dependent Variable
• Independent Variable

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The one factor that a scientist changes during an experiment. (a)  

• Controlled Variable
• Dependent Variable
• Independent Variable

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What is the main problem with Reece’s table? (a)  

• The title is incorrect.
• The units are missing.
• The values are incorrect.
• There are too many rows.

On which day was there the least difference between the low temperature and high temperature? (a)  

• Monday
• Tuesday
• Thursday
• Friday

What is ONE CONCLUSION Indira can draw from her data?

• The tomato plants grew taller in full sun than they did in part shade.

• All plants grow taller in full sun than they do in part shade.

• Tomato plants grown in full sun will produce more tomatoes.

• Tomato plants need to be placed in full sun in order to grow.

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Which type of graph would best show how the weight changed over time? (a)  

• bar graph
• circle graph
• line graph
• pictograph

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How many male trout sampled weighed 4 lb or more?

• 14

• 15

• 16

• 19