8th Grade - NSCAS Review - Parts I & II

During their experiment, Ty and Joe had observed that the plant had grown 3 cm. This is an example of

• qualitative data

• quantitative data

• a conclusion

• an inference

Amy’s bike had been left outside, and the frame began to rust. This is an example of

• a physical property

• a chemical property

• a physical change

• a chemical change

Tags

NGSS.MS-PS1-2

After completing the experiment with multiple trials, Lauren and Maddie decided that sand would provide better drainage for plants than clay. Their decision is an example of

• an inference

• a conclusion

• a theory

• a hypothesis

Tags

NGSS.MS-ETS1-2

Ben and Melissa are completing a experiment in which they are trying to determine if the length of the chain on a swing set will affect the number of times a swing will move back and forth. Which of the following would help Ben and Melissa get more accurate results to their experiment?

• using different kinds of chains

• having more than 1 independent variable

• repeated trials

• having more than 1 dependent variable

Tags

NGSS.MS-PS2-2

Which of the following is an example of an element?

• water

• oxygen

• sodium chloride (NaCl)

• hydrogen peroxide

Joanna burned a piece of paper. This is an example of a(n)

• physical property

• physical change

• chemical property

• chemical change

Tess placed salt in water and stirred it. Tess could no longer see the salt, What happened to it?

• sublimation

• it evaporated

• a chemical change

• it dissolved

Tags

NGSS.MS-PS1-2

Mariah wants to measure the volume of a solution. Which tool would she use?

• a beaker

• a spring scale

• an Erlenmeyer flask

• a graduated cylinder

Tommy believes that water will take longer to heat than soil. He based his assumption on a lesson he learned earlier in science class. This is an example of a(n)

Group of answer choices

• a law

• an inference

• a theory

• a repeated trial

HCl (Hydrogen Chloride) would be an example of which of the following?

• a compound

• an element

• an isotope

• an atom

Tags

NGSS.MS-PS1-1