Nature of Science Unit 1

What is another word for hypothesis?

• evidence
• graph
• investigation
• prediction

A scientist is collecting data on the number of times a cricket chips per minute. What sense is the scientist most likely using to make observations?

• hearing
• smell
• sight
• touch

Tags

NGSS.MS-LS1-8

Why should an experiment be repeated?

• to form a hypothesis
• to reduce the chance of error
• to change controls
• to identify the problem

Tags

NGSS.MS-PS2-5

Mr. McNeice wanted to know if different types of music affected people's heart rates, so he played different music and checked their pulses.  What is the dependent variable?

• type of music
• heart rate
• how long they listend to music
• Mr. McNeice

This is the outcome of the experiment. We get data and results from this.

• Independent Variable
• Dependent Variable
• Control
• Constant

Tags

NGSS.MS-LS2-1

The variable that is changed on purpose is: 

• Control
• Dependent
• Independent
• Outcome

In the paper airplane experiment, changing the size of the airplane would be which variable?

• Dependent
• Independent
• Control
• Conclusion

Tags

NGSS.MS-PS2-2

The variable in the experiment that is the outcome that you measure is called:

• Control
• Dependent
• Independent
• Hypothesis

The group that does NOT have the independent variable applied to them and is used only for comparison is the

• control group
• experimental group
• qualitative data
• quantitative data

What is the first step in a commonly used scientific method?

• digging for artifacts
• drawing conclusions
• controling variables
• recognizing a problem