Nature of Science Test Prep

Which of these questions would be part of a true scientific experiment?

• What happens when you add Mentos to coke?

• Does the type of salt affect the fluffiness of the cake?

• What is the best soda brand?

• How do you make homemade play-doh?

Tags

NGSS.MS-PS1-2

Which of the following observations are quantitative?

• The cloud is fluffy.

• The cup is blue.

• The dog has 2 spots.

• The cat has stripes.

A testable if/then/because statement made about a question is a:

• Hypothesis

• Graph

• Control

• Conclusion

Noticing the environment with the five senses is called

• Inferring

• Observing

• Communicating

• Concluding

What is an inference?

• Using observations to form an opinion or idea.

• A rule that describes a pattern seen over and over again in nature.

• Noticing the environment with the five senses.

• An explanation for how the world works.

A control group is:

• Something kept the same in an experiment.

• Something changed in an experiment.

• A standard of comparison in an experiment (the normal).

• Not a part of experimental design.

What is one qualitative observation you could make from the photo?

• The boy is crying because he fell.

• There is one (1) tree.

• The boy is wearing a hat.

• The boy has two (2) shoes on.

Ms. Frizzle wanted to know what color flower attracted the most butterflies. She already had white flowers planted, but she added red and purple flowers to her garden. Every day she watched the flowers from 10 -11 in the morning and counted how many butterflies landed on each colored flower. Each flower was planted in the band courtyard and was watered at 3:30 every day.

Number of butterflies is the ______________

• independent variable

• controlled variable

• dependent variable

• control group

Ms. Frizzle wanted to know what color flower attracted the most butterflies. She already had white flowers planted, but she added red and purple flowers to her garden. Every day she watched the flowers from 10 -11 in the morning and counted how many butterflies landed on each colored flower. Each flower was planted in the band courtyard and was watered at 3:30 every day.

Time of watering is the ______________

• independent variable

• controlled variable

• dependent variable

• control group

Ms. Frizzle wanted to know what color flower attracted the most butterflies. She already had white flowers planted, but she added red and purple flowers to her garden. Every day she watched the flowers from 10 -11 in the morning and counted how many butterflies landed on each colored flower. Each flower was planted in the band courtyard and was watered at 3:30 every day.

Red and Purple flowers is the ______________

• independent variable

• controlled variable

• dependent variable

• control group