Science Practices Review

How many millimeters (mm) are in 1 centimeter (cm)?

• 0.1 mm

• 10 mm

• 100 mm

• 1,000 mm

Which metric unit is not used in science community?

• meters

• centimeters

• millimeters

• inches

You splash chemicals into your eyes. What should you do next?

• Use eye drops as soon as possible.

• Flush your eyes for 15 minutes at the eyewash station.

• Cry about how you should have been wearing your goggles, and let your sad tears wash your eyes clean.

• Use the safety shower.

Which statement is true about the nature of science?

• Science can answer all questions.

• Science is only a collection of facts.

• Scientific knowledge is tentative (subject to change).

• There is only one way to do science/

Tags

NGSS.MS-PS2-5

What is the length of the red bar?

• 11.5 cm

• 9.5 cm

• 10.5 cm

• 12.5 cm

What is the length of the red bar?

• 7 mm

• 70 mm

• 300 mm

• 30 mm

When is it okay to eat or drink in the science lab/ classroom?

• When you're hungry.

• Never.

• Only periods right before lunch.

• When food or drink is involved with the science activity.

What was the purpose of the "Nature of Science" activity?

• To show that science involves reading skills.

• To show that scientific knowledge can change over time.

• To show that science can never quite answer any question.

• To show that science is hard.

What was the purpose of the "make a paper cup" activity?

• To practice following step-by-step instructions.

• To practice how to re-read instruction if you do not understand at first.

• To practice working with your neighbors if you don't understand.

• All answer choices are correct.

What is the best unit of measurement to use when measuring a blade of grass?

• centimeters

• millimeters

• inches

• meters