Nature of Science

Front

Waldriana would like to investigate the effect of temperature on the amount of food birds eat. What should she do first to begin her investigation?

Back

develop a question

Front

What should Rigoberto do next to make sure that his conclusion is valid after finding that there is more salt dissolved in warm water than cold water? Options: do another investigation with sugar, repeat his investigation using a different liquid than water, repeat his investigation to see if his results are the same, change his results to match his original hypothesis

Back

repeat his investigation to see if his results are the same

Front

Which question would be best to answer using a scientific investigation? 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?

Front

How does studying hurricanes differ from most scientific research?

Back

Hurricane scientists cannot control variables.

Front

Why is it important that her study 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?

Back

Tiny bubbles form on the bottom of the pan.

Front

How many variables should be changed in a simple experiment?

Back

1

Front

A scientist says that she has made an important discovery about sound waves. What needs to happen for most other scientists to accept her results?

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

Front

How was Alejandro's investigation different from an experiment?

Back

Alejandro did not test a hypothesis.