Scientific Investigations Review

Which statement best describes the nature of science?

• The nature of science is for scientists to prove that their hypotheses are correct.

• The nature of science is to recreate nature in the laboratory.

• The nature of science is for scientists to prove their point of view is correct.

• The nature of science is to investigate and understand the natural world and to use this understanding to make useful predictions.

Tags

NGSS.HS-PS1-2

You use the scientific method all the time to solve everyday problems.

• True

• False

Tags

NGSS.MS-PS2-2

When making an observation, you must use...

• Only Sight

• Smell & Touch

• ALL 5 Senses

• Only Taste

Tags

NGSS.4-LS1-2

This step of the scientific method is an educated guess or a prediction.

• Hypothesis

• Research

• Observation

• Conclusion

Experiments are only conducted once and by one group to make the scientific process very fast.

• True

• False

Tags

NGSS.MS-LS1-3

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method

• recipe

• data collection

• metric system

Tags

NGSS.MS-PS2-2

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable

• independent variable

• data

• control group

What step does every scientific experiment begin with?

• hypothesis

• question/problem

• procedures

• conclusion

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant

• The amount of sunlight

• The type of music

• The type of liquid

Tags

NGSS.MS-LS1-5

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate

• type of exercise

• amount of exercise

• time of day exercise occurs