NATURE of SCIENCE REVIEW

Front

What should Waldriana do first to begin her investigation on the effect of temperature on the amount of food birds eat?

Back

develop a question

Front

What should Rigoberto do next to make sure that his conclusion is valid after finding more salt dissolved in warm water than cold water?

Back

Repeat his investigation to see if his results are the same.

Front

Which question would be best to answer using a scientific investigation? Options: Why are people afraid during thunderstorms? How easy is it to shovel snow? Are some clouds prettier than others? Does temperature affect the amount of rain?

Back

Does temperature affect the amount of rain?

Tags

NGSS.MS-ESS2-6

Front

How does studying hurricanes by flying into them differ from most scientific research?

Back

Hurricane scientists cannot control variables.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

NGSS.MS-ESS3-2

Front

Why is it important that a study on lung strength changes in mountain climbers has a control group?

Back

To compare typical lung strength with the effects of training.

Front

Austin is studying states of matter by heating water in a pan. Which statement from his notebook is an observation? Options: It is hard to estimate the size of the bubbles, Tiny bubbles form on the bottom of the pan, The bottom of the pan must be very hot, I think there is air in the bubbles.

Back

Tiny bubbles form on the bottom of the pan.

Front

How many variables should be changed in a simple experiment?

Back

1

Front

What needs to happen for most other scientists to accept a scientist's discovery about sound waves?

Back

Other scientists need to be able to get the same results.

Front

Jaylynn says a baseball and a basketball will fall at the same speed. Her friend disagrees. Which of these is the best way for them to find out? Options: drop both balls from a high place and compare how fast they fall, ask an adult which one is right, explain their reasons to each other, ask twenty different people on the playgroup what they think

Back

drop both balls from a high place and compare how fast they fall

Tags

NGSS.3-5-ETS1-3

NGSS.3-PS2-1

NGSS.3-PS2-2

Front

How was Alejandro's investigation different from an experiment?

Back

Alejandro did not test a hypothesis