Scientific Method Qz

Which step of the scientific method is being described: “A scientist asks, ‘Does the amount of salt in water affect how fast it freezes?’”

• Problem/Question

• Hypothesis

• Experiment

• Conclusion

Which step comes first in the scientific method?

• Hypothesis

• Problem/Question

• Experiment

• Observation

A student states: “If I add more fertilizer, then the plant will grow taller.” This is an example of:

• Problem

• Hypothesis

• Conclusion

• Observation

In the scientific method, which step tests the hypothesis?

• Problem

• Observation

• Experiment

• Conclusion

Tags

NGSS.MS-PS2-2

After completing an experiment, a scientist reviews results and states whether the hypothesis was correct. Which step is this?

• Observation

• Experiment

• Hypothesis

• Conclusion

What is the independent variable in this experiment? (A student wants to test whether the amount of sunlight affects how fast a bean plant grows.)

• Amount of sunlight

• Growth of plant

• Type of soil

• Amount of water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is a constant in this experiment? (A student wants to test whether the amount of sunlight affects how fast a bean plant grows.)

• Plant height

• Type of soil

• Amount of sunlight

• Location of plants

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the independent variable? (A class tests how the temperature of water affects how quickly sugar dissolves.)

• Temperature of water

• Speed sugar dissolves

• Amount of stirring

• Type of sugar

What is a constant in this experiment? (A class tests how the temperature of water affects how quickly sugar dissolves.)

• Temperature of water

• Amount of sugar

• Speed sugar dissolves

• Type of water

Which is an example of qualitative data?

• The liquid has a sour taste

• The liquid’s mass is 20 grams

• The temperature increased by 5°C

• The candle burned for 3 hours

Tags

NGSS.MS-PS1-2