The diagram shows how a plant changed on its own when the position of an object was moved from point X to point Y over a period of time. What is the object that was moved from point X to point Y?
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1 point
1
Question 2
2.
Use the table below to answer the question.
A student recorded the time it took three cars to travel one mile. The table shows the cars’ times. Which statement best describes the information shown in the table?
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1 point
1
Question 3
3.
Which part of the process of growing food on a farm could most likely cause an increase in the amount of algae that grows in nearby ponds?
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1 point
1
Question 4
4.
Use the drawing below to answer the question.
A student is given the objects shown. Which scientific question could be investigated using only the objects shown in the drawing?
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1 point
1
Question 5
5.
Use the table below to answer the question.
A student checked the outdoor temperature three times a day for three days. Which prediction for Day 4 best matches the student’s data?
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1 point
1
Question 6
6.
A student uses a balance to compare two rocks. What information can this tool provide?
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1 point
1
Question 7
7.
Use the map below to answer the question.
Which conclusion is best supported by the map?
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1 point
1
Question 8
8.
Both human-made and natural systems can move water. Which sentence best describes a natural system that moves water?
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1 point
1
Question 9
9.
A student claims that all animals need to eat. What evidence would best support the student’s claim?
Required
1 point
1
Question 10
10.
Use the drawing below to answer the question.
Brook trout are fish that live and reproduce in cold streams and lakes in the United States. Deforestation removes trees that provide shade over the areas where the brook trout live. This can cause the water temperature to increase. How would this change in water temperature most likely affect the brook trout?
Required
1 point
1
Question 11
11.
In winter, a person living in Pittsburgh, Pennsylvania, buys fresh tomatoes from a grocery store. However, tomatoes do not grow in Pennsylvania during the winter. Which statement best explains how fresh tomatoes can be available at a grocery store in Pittsburgh during the winter?
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1 point
1
Question 12
12.
Use the drawing below to answer the question.
Which statement best describes the circuits shown in the drawing?
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1 point
1
Question 13
13.
When guitar strings are shortened, they will play a higher note. When lengthened, they will play a lower note. Which characteristic of sound does this represent?
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1 point
1
Question 14
14.
Which chart best identifies the sources of some products made in Pennsylvania?
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1 point
1
Question 15
15.
Which statement describes the Sun-Earth-Moon system?
Required
1 point
1
Question 16
16.
How does a watershed affect the water cycle?
A population of woodpeckers lives in a forested area. These birds live in trees in the forest and eat beetles that live in the trees. During a very dry summer, the forest area has many wildfires.
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1 point
1
Question 17
17.
Part A: Describe one reason that the number of woodpeckers would decrease if the forest is damaged by wildfires.
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1 point
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Question 18
18.
Part B: Scientists observed that some beetles survive in the bark of trees even after a wildfire. Describe how the beetles’ survival might affect the number of woodpeckers in the forest after the fires.
Use the drawing below to answer the question.
Required
1 point
1
Question 19
19.
Part A: Give one example of a nonliving part of this system.
Required
1 point
1
Question 20
20.
Part B: Identify a feature that determines whether something is living.