Unit One Review

The work of scientists usually begins with

• Observing a plant grow 3 cm over a two-week period

• Observations

• Formulating a hypothesis about the growth of a plant

• Conducting a controlled experiment on the growth of a plant

You suggest (think) that the presence of water could accelerate the growth of bread mold. This is a(an)

• Observation

• Hypothesis

• Experiment

• Conclusion

Tags

NGSS.MS-LS1-5

Which of the following is a valid hypothesis for why a plant appears to be dying?

• The plant is not receiving enough sunlight

• The plant is not receiving enough water

• The plant is not receiving enough nutrients

• All of the above

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The work of scientists usually begins with

• careful observations
• creating experiments
• drawing conclusions

Information gathered from observing a plant grow 3 cm over a two-week period results in

• variables
• hypothesis
• data

You suggest (think) that the presence of water could accelerate the growth of bread mold. This is a(an)

• conclusion
• hypothesis
• experiment

Tags

NGSS.MS-LS1-5

Which of the following is a valid hypothesis for why a plant appears to be dying?

• The plant is not being watered enough
• The plant is receiving too much sunlight
• all of the above

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

In science, a hypothesis is useful only if

• it is proven correct
• it can be proven incorrect
• it can be tested

Tags

NGSS.MS-LS1-5

Which of the following is NOT a part of how scientists work?

• experimenting
• observing
• guessing

Tags

NGSS.MS-LS1-1

NGSS.MS-PS1-2

A controlled experiment allows the scientist to isolate and test

• a conclusion
• a mass of information
• a single variable