Grade 7 IQWST EOC

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1.
1 point
Sara is designing an experiment to determine how many times a cricket chirps within a given period of time. It is important for Sara to write the steps to her experiment clearly so

2.
1 point
The purpose of repeated experimental trials is to

3.
1 point
What is the main reason scientists from different fields often work together?

4.
1 point
The Human Genome Project identified the DNA sequence in humans. The project involved scientists from many different areas of science. Which of the following is most likely true about the scientists who worked on this project?
5.
1 point
Which of the following activities do scientists do to help them form scientific explanations?

6.
1 point
Directions: Use Figure 1 from the Diagram Sheet to answer the following question.

Mr. Reid’s students planted lima beans during a four-day span. Each plant was given the same amount of water and sunlight. The students measured the growth of the plants each day and collected the data for ten days. Which plant demonstrated the highest daily growth, given the plant’s age during the observation period?

7.
1 point
Which scientific discovery caused a great deal of debate before it was accepted?

8.
1 point
Galileo’s discovery that Earth moves around the sun was controversial at the time because

9.
1 point
Directions: Use Figure 2 from the Diagram Sheet to answer the following question.

For which of the following purposes would the energy pyramid shown above be least useful?

10.
1 point
Tamara uses sticks and balloons to show how bones and muscles move. She is using a

11.
1 point
Directions: Use Figure 3 from the Reference Sheet to answer the following question.

What is the volume of the liquid in the graduated cylinder?
12.
1 point
What part of a scientific experiment is the hypothesis?

13.
1 point
A well-tested explanation for a wide range of observations or experimental results is called a scientific

14.
1 point
Which of the following best explains how a scientific theory might be changed?
15.
1 point
Directions: Use Figure 4 from the Diagram Sheet to answer the following question.

According to the diagram, metamorphic rock can form from ______________.
16.
1 point
Which part of an organism is most likely to become a fossil?
17.
1 point
If two organisms look very similar during their early stages of development, this may be evidence that the organisms _____________________________.
18.
1 point
Mutualism is one type of interaction between species. Which statement best describes mutualism between two species?
19.
1 point
Directions: Use Figure 5 from the Diagram Sheet to answer the following question.

What interaction does the graph represent between the wolf and the deer?
20.
1 point
When water freezes, it undergoes __________________________.
21.
1 point
Which of these properties of an iron nail is a physical property?
22.
1 point
Which of the following examples in nature represents a chemical change?
23.
1 point
The only definite evidence of a chemical reaction is _____________________.
24.
1 point
The chemical formula for a molecule of sulfuric acid is H2SO4. How many different elements make up the compound sulfuric acid?
25.
1 point
In which of the following ecosystems would you expect to find the greatest biodiversity?

26.
1 point
A fossil that forms when hardened minerals replace all or part of an organism is called a _____________________.

27.
1 point
Rachel Carson was a biologist whose work led to the pesticide DDT being
banned by the government in 1972. How did Carson convince the government to ban DDT?



28.
1 point
Rock that forms when magma cools below the Earth’s surface is called

29.
1 point
The atoms in a solid ______________________.


30.
1 point
Rock that forms when magma cools below the earth's surface is called