NGSS.3-5-ETS1-3

What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?

• the paper used
• the type of paper airplane
• the distance of each plane's flight
• how hard the plane is thrown

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NGSS.3-5-ETS1-3

Why do we want to test only one independent variable at a time?

• Because it is hard to setup a data table with more than one variable
• To better identify what is causing the changes
• It is what has always been done
• It's easier to perform the experiment

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NGSS.3-5-ETS1-3

A design team built a prototype robot that is a vacuum cleaner. Their goal is for the robot to be able to vacuum people’s homes on its own with no human supervision. How will the team know if the robot prototype works after it is completed?

• Place it in someone’s home, and see if it can vacuum the carpets on its own.

• Place it in a grassy field, and observe to see if it can vacuum up dirt and sand.

• They should go ahead and build a prototype of this design.

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NGSS.3-5-ETS1-3

In order to find out which towel brand holds the most water, we should do an ____________________.

• hypothesis

• investigation

• science project

• conclusion

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NGSS.3-5-ETS1-3

All the things that have to stay the same in an experiment (except for the one thing you change).

• constant variable

• controlled variable

• dependent variable

• independent variable

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NGSS.3-5-ETS1-3

What's the fifth step in the Engineering Design process?

• Identify your constraints

• Discuss what can work better and improve your design

• Gather your needed materials

• Follow the plan and test it out

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NGSS.3-5-ETS1-3

A scientist is testing which flavor of ice cream melts the fastest. What would his controlled variables be? (choose ALL that apply)

• The flavor of ice cream

• the kind of cone the ice creams are in

• the place in the room where the ice cream is

• the size of the scoop

• the time it takes to melt

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NGSS.3-5-ETS1-3

The dependent variable depends on the controlled variables.

• True

• False

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NGSS.3-5-ETS1-3

making a paper airplane

• chemical

• physical

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NGSS.3-5-ETS1-3

A student wants to know which soil is the best to plant tomatoes in. Which of the following experiments can he complete to figure it out?

• Plant seeds in each type of soil.

• Pour 200 mL of water into each soil to see how much water is retained.

• Compare the color of the soil to a color chart

• Wet the soil and feel the texture.

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NGSS.3-5-ETS1-3