Science 2021 Midterm Review

The first step of the scientific method is to ask a question. What is the second step?

• experiment

• make a hypothesis

• record observation

• answer question

Which of these is an example of a natural material?

• plastic

• nylon

• wood

Which of the following tools would help you to measure the temperature of something?

• weighing scales

• telescope

• magnifying glass

• thermometer

I use my nose to _____.

I can use a _____ to find out how long something is.

What is the final step of the design process?

• communicate

• redesign

• plan and build

• test and improve

Why do you think it is important that engineers communicate their ideas? Use a complete sentence.

You have 3 minutes. There is no right or wrong answer for this question.

To explore or examine something to learn more about it is called an _____________?

• draw conclusions

• investigation

• predict

• infer

Which answer best describes a hypothesis?

• the results

• a guess about what will happen

• to talk with other engineers / scientists about what you found

_______ is an example of a man-made material.

• cotton

• wood

• plastic