Science Grade 7 First Quarter Practice Test (Matter)

What is a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact?

• experiment

• hypothesis

• law

• theory

Tags

NGSS.MS-LS1-1

NGSS.MS-PS1-2

Which is the first step in scientific method?

• analyzing results

• making hypotheses

• stating the problem

• gathering data

Juan wants to learn more about the feeding habits of ants. What steps should Juan take to best study the

feeding patterns of ants?

• form a hypothesis, conduct an experiment, record data, make a conclusion

• conduct an experiment, form a hypothesis, make a conclusion, record data

• form a hypothesis, record data, conduct an experiment, make a conclusion

• record data, form a hypothesis, make a conclusion, conduct an experiment

Tags

NGSS.MS-LS2-1

A scientist hypothesizes that the temperature affects the number of eggs hatched in the incubator. What is the dependent variable in the experiment?

• the number of eggs hatched

• the incubator

• the temperature

• the sizes of eggs

A scientist wants to study the effects of fertilizer on plants sets up an experiment. Based on the data given, which is the control group?

• Plant A

• Plant B

• Plant C

• Plant D

What statement of the problem can be formulated based on the graph?

• In which weather conditions show the greatest number of

  earthworms?

• Does plowing the soil affect how fast earthworms grow?

• How is the size of earthworms affected by the seasons?

• What is the effect of plowing soil on the number of

  earthworms

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-ESS2-5

In what weather condition do earthworms mostly grow

• rainy

• stormy

• sunny

• windy

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

What statement BEST describes the graph?

• The number of earthworms cannot be predicted

• More earthworms are grown in sunny weather than in stormy weather

• Weather condition has no effect on the number of earthworms

• Rainy condition has more earthworms grown than windy condition

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-ESS2-5

Which of the following should be done to increase accuracy and reliability of a scientific investigation?

• Carry out the procedure that includes a fair test

• Record and report all observations and data

• Search for answers in the internet

• Select and justify a procedure to be used in answering the specific question

Tags

NGSS.MS-PS2-2

The chart below shows the number of flowers seen in a field.

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