Common Assessment Quick Review

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First Name *

Last Name *

Class Period *

The results of an experiment are .. *

valuable whether they prove or disprove the hypothesis

only verify the hypothesis, otherwise the results are invalid

only dispute the hypothesis, otherwise the results are invalid

none of the above

Further research studies such as the discovery of plate tectonics may be neccessary in the future *

True

False

After scientists run experiments and gather results, they should ... *

analyze the data and draw conclusions

post results to a science journal

draw conlusions and analyze data

develop an hypothesis

When performing an experiment data should be ... *

written before the experiement has been completed

recorded and accurate throughout the experiment process

only recorded if the data does not support the hypothesis

only recorded if the data supports the hypothesis

The scientific method can be followed in any order as long as all steps have been covered *

True

False

Scientist observe things different and this can.. *

make results different

affect the observations and outcomes of experiments

cause objectivity to be skewed, thus avoided

none of above

James is making claims that cells are not microscopic. He is basing this opinion and conclusion on information that he found on the Internet. This claim should be .... *

ignored due to lack of evidence

accepted because it was published on the Internet

Ignored due to the scientific method not being followed

accepted because he has proof from an outside source

John was doing an investigation and his results were not able to be repeated. He was evaporating water and measuring the time it took to evaporate 25mL. His materials were 3 pots (quart sized), 3 stove top burners (all the same size and set at the same setting ) , and 1000 mL beaker to measure his water. What was wrong with his investigation that it was giving his different rates of evaporation ? *

1000 mL beaker is not accurate for small volumes of water

The pots were made of the wrong metal

The water was from different sources

The stove tops were too old

What is the purpose of a model? *

An exact representation of something else

A tool to represent something that is too complex

A tool to represent something that is too large to be in a real scale

A complex instrument

Models can represent items that are too small to observe directly. *

True

False

Which item would be the most accurate for measuring liquids? *

flask

test tube

graduated cylinder

beaker

List 3 unsafe activities shown in the illustration and explain why each is unsafe *

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