Nature of Science Review

What skill is a scientist using when she listens to the sounds that whales makes?

• making observations
• interpreting data
• making a hypothesis
• drawing conclusions

In which step of the scientific method do we want to use graphs

• make a hypothesis
• analyze data
• communicate results
• asking questions

Tags

NGSS.MS-PS3-1

Which is included in the definition of a scientific theory?

• a well tested explanation of natural events
• a statement of what most people believe to be true
• a description of natural events based on casual observations
• a conclusion agreed upon by people without experimentation

Tags

NGSS.HS-LS4-1

NGSS.HS-PS1-2

NGSS.HS-PS4-3

The process of obtaining information by using the senses is called a/an

• observation
• scientific method
• inquiry
• conclusion

Tags

NGSS.MS-LS1-8

A scientist set up an experiment to see how vinegar affects plant growth. Five seed pots received a small amount of vinegar in the soil and were placed in the sunlight. Another five pots received no vinegar and were placed in the shade. The scientist grew the seedlings for two months. Which explains why her experiment was not set up properly?

• More than one variable was changed.
• She did not have a control.
• She did not grow the plants long enough.
• Vinegar should not be used on plants.

Tags

NGSS.MS-ETS1-1

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the independent variable is

• the number of plants in the water
• the water
• the temperature of the water
• the amount of salt in the water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the dependent variable is

• the amount of salt in the water
• the number of plants in the water
• the temperature of the water
• the water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which statement correctly describes a scientific law?

• It explains why something happens.
• It describes a pattern or event in nature that is always true.
• It assumed to be the best, current explanation for a set of observations.
• It is a possible explanation for an observation that can be tested by an investigation

In science, an educated guess is called a/an

• hypothesis
• observation
• conclusion
• question

A testable prediction is a ________________.

• experiment
• variable
• hypothesis
• constant