McGraw Hill Chapter 1 Wrap-Up

Scientists and engineers have been studying farming and farm products for many years. Which is the best example of one of their discoveries or innovations that have improved people’s lives?

• the technology for making products from milk, such as cheese, yogurt, and ice cream

• the explanation that many vegetables are examples of fruits

• the technology that allows astronauts to prepare food in space

• the discovery of a new pepper that has a hot, spicy taste

Tags

NGSS.MS-ETS1-1

Kira asks, “What force lifts you off the ground when you jump?” She predicts that the force must come from a strong downward push from the feet. To answer her question, what is the next step that Kira should follow?

• Develop a prototype of a person jumping.

• Ask friends to answer the question, and then select the most popular answer.

• Draw a conclusion that agrees with her prediction.

• Plan to observe people jumping during a descriptive investigation.

Tags

NGSS.MS-PS2-2

Caitlyn is researching a career as a physician, or medical doctor. Which source of information is likely to be LEAST useful for her research?

• an exhibit about medical careers at a science museum

• a doctor that Caitlyn knows, such as her family doctor or a relative

• friends who also are interested in medical careers

• a website that is run by a university that trains doctors

Amil noticed that beetles were eating the leaves of his garden plants. On Monday, he applied a new bug spray to the plants. He hoped the spray would kill the beetles. The data table shows the number of beetles on one of the garden plants over seven days. What two conclusions do the data most strongly support?

Select two answer choices.

• 
  The bug spray does not kill beetles.

• The bug spray takes one or two days to kill beetles.

• The bug spray kills all insect pests, including beetles.

• After three or four days, the effect of the bug spray begins to wear off.

• After five or six days, all the beetles in a garden will be killed.

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Match the following.

Drag and drop the science tool to match the statement it is most useful for investigating.

• earthworms change soil they live in

• 
• forces can pull objects not touching

• 
• plant help fish survive

• 

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

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Match the following.

Drag and drop the science tool to match the statement it is most useful for investigating.

• ice cube shape can affect melting time

• 
• insects have three body parts

• 
• mass slice of bread change when stale

• 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2