24-25 Science Semester 1 Exam

What is the measurement of force on the spring scale below?

• 220 g

• 280 g

• 2.2 N

• 2.8 N

A scientist listens to the sounds that a whale makes. What step of the scientific method does this represent?

• making observations

• interpreting data

• drawing conclusions

• making a hypothesis

What is the correct order of the steps in the scientific method?

• Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions, communicate results.

• Ask a question, make a hypothesis, test hypothesis, draw conclusions, analyze results, communicate results.

• Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions, communicate results.

• Ask a question, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.

Which question would be a testable scientific question?

• How long ago did dinosaurs live on the Earth?

• Does the amount of salt in water affect the temperature at which it boils?

• Who made the first microscope?

• How many giraffes live in Africa?

Tags

NGSS.MS-PS3-4

Which of the following is NOT a rule when writing a hypothesis?

• It is testable.

• It is an if/then statement.

• It must be a true statement.

• It is measurable.

An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is?

• a theory

• a dependent variable

• a controlled experiment

• an independent variable

Which of the following hypotheses is written correctly?

• Frozen tennis balls will not bounce as high.

• If I freeze a tennis ball, then it will not bounce as high.

• If a tennis ball is frozen, it won't bounce as high as one that is not frozen.

• If I heat up a tennis ball it will bounce high.

Tags

NGSS.MS-PS2-2

The process of identifying whether your hypothesis is correct or incorrect, explaining the relationship between the variables, and supporting your findings with data is called a(n) _____.

• conclusion

• observation

• inquiry

• scientific method

Tags

NGSS.MS-LS1-5

A series of steps designed to help you solve problems and answer questions

• scientific method

• observation

• conclusion

• hypothesis

Tags

NGSS.MS-LS1-5

In an experiment, the one variable that is changed is called the

• controlled variable

• independent variable

• measured variable

• dependent variable