Science Method

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

• dependent variable

• independent variable

• data

• control group

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

NGSS.MS-LS2-1

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

Observations made during an experiment are called:

• data

• problems

• conclusions

• questions

Tags

NGSS.MS-PS1-2

The summary at the end of an experiment that explains the results is... 

• conclusion

• procedures

• materials

• responding variable

Tags

NGSS.MS-PS1-2

A seventh grade science class has been working for two months on an intensive plant lab in the garden, experimenting with growing greens under plastic coverings and under cloth coverings to find out which material better protects plant growth in the winter. Cress is a type of edible plant. Their data is shown in this graph.

What is the X axis for this graph?

• Length in cm

• Weeks

• Cress Growth

• Plastic/Cloth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Ms Holmes is not in school today, because you think she went fishing. Is this a Qualitative Observation, Quantitative Observation, or an Inference

• Qualitative Observation

• Quantitative Observation

• Inference

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-PS1-2

The steps of the scientific method, in order are:

• Observation, Research, Hypothesis, Plan, Collect Data, Conclusion

• Hypothesis, Plan, Collect Data, Conclusion, Observation, Research

• Observation, Research, Collect Data, Plan, Hypothesis, Conclusion

• Conclusion, Observation, Research, Collect Data, Plan, Hypothesis

Testing a hypothesis often involves a(n):

• answer

• experiment

• problem

• safety check

Tags

NGSS.MS-PS1-2