Grade 7 Science Quiz

Why do scientists often use models to explain phenomena?

• Because they are easier to draw.

• Because the phenomena are too small or too large to observe directly.

• Because models are always perfectly accurate.

• Because they like to play with toys.

Which of the following is an example of a scientific model?

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A globe is a model of the Earth. What is one limitation of using a globe as a model?

• It shows the Earth's true size.

• It can't show every detail of the Earth's surface.

• It perfectly represents all weather patterns.

• It can be used to travel.

Which of these phenomena would most likely require a model to explain?

• How a ball rolls down a hill.

• The movement of tectonic plates.

• How a plant grows towards sunlight.

• The color of a flower.

What is the primary purpose of a scientific model?

• To make science more artistic.

• To simplify complex ideas and make them understandable.

• To replace real-world observations.

• To entertain scientists.

Which step of the scientific method involves stating what you want to find out?

• Results

• Conclusion

• Aim or Problem

• Materials and Equipment

In a scientific investigation, what do 'Materials and Equipment' refer to?

• The data collected during the experiment.

• The steps taken to perform the experiment.

• The tools and supplies needed for the experiment.

• The final answer to the problem.

What is the purpose of the 'Method or Procedures' section in a scientific investigation?

• To list the findings.

• To describe how the experiment was conducted.

• To state the hypothesis.

• To summarize the experiment.

After collecting data, where should you record your observations and measurements?

• Aim or Problem

• Materials and Equipment

• Results

• Conclusion

What is the final step where you summarize what you learned from your experiment and answer your initial question?

• Method or Procedures

• Results

• Conclusion

• Aim or Problem