What is an ADVANTAGE of this model of hurricane?

• It is safer to observe than a real hurricane.

• It moves like a real hurricane.

• It is the same size as a real hurricane.

• It is more dangerous to observe than a real hurricane.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Science can answer ALL questions.

• true

• false

Justin conducts an experiment to determine if a toy car travels further on a rough surface or a smooth surface. He concludes that the toy car travels further on a rough surface. Why is Justin's experiment invalid?

• He did not use repetition.

• He did not conduct enough trials.

• His question was not scientific.

• He did not collect empirical evidence.

Tags

NGSS.MS-PS2-2

What is the factor that is measured or observed during an experiment?

• test variable

• outcome variable

• constant

Tags

NGSS.MS-LS1-5

What is the factor in an experiment that is manipulated or changed by the investigator?

• test variable

• outcome variable

• constant

What are the factors in a controlled experiment that remain the same?

• test variables

• outcome variables

• constants

• materials

Most scientific investigations begin with _______.

• drawing a conclusion

• asking a question

• analyzing results

• proposing a hypothesis

How can you make sure that the results of your experiment are VALID?

• have someone else try to replicate your results

• use a computer to conduct research

• communicate your results to a professional scientist

• record your observations in notebook

Which question can NOT be answered scientifically?

• How many bird eggs are in the nest?

• Does the amount of sunlight affect plant growth?

• Who invented the trampoline?

• Which artist paints the best painting?

The same basic scientific methods are used by _____.

• ALL scientists

• only biologists and chemists

• only biologists, chemists and astronomers

• only scientists over the age of 50