Factors that Affect Kinetic and Potential Energy

Kenneth and Rachel are skating at the local ice rink. Fill in the blanks to compare the two skaters. Kenneth’s mass is ​ (a)   Rachel’s mass.

Kenneth’s speed is ​ ​ (b)   Rachel’s speed.

Kenneth’s kinetic energy is ​ (c)   Rachel’s kinetic energy.

• 2 times
• equal to
• one-half times
• 3 times
• one-third times

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A wildebeest and a lion are running in the grassland. Fill in the blanks to compare the two mammals.

The lion’s mass is ​ (a)   the wildebeest’s mass.

The lion’s speed is ​ (b)   the wildebeest’s speed.

The lion’s kinetic energy is ​ (c)   the wildebeest’s kinetic energy.

• one-half times
• equal to
• 2 times
• 3 times
• one-third times

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A horse and her foal are galloping on the beach. Fill in the blanks to compare the two horses.

Charlie’s mass is ​ (a)   Spirit’s mass.

Charlie’s speed is ​ (b)   Spirit’s speed.

Charlie’s kinetic energy is ​ (c)   Spirit’s kinetic energy.

• 3 times
• equal to
• 2 times
• one-half times
• one-third times

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Two bowling balls are rolling down separate lanes in a bowling alley.

Based on what you’ve learned about the relationship between kinetic energy and mass from the questions above, fill in the missing value from the table.

(a)  

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Mike and Drew are swimming in the pool at the Homestead Community Center. Fill in the blanks to compare the two swimmers.

Drew’s mass is ​ (a)   Mike’s mass.

Drew’s speed is ​ (b)   Mike’s speed.

Drew’s kinetic energy is ​ (c)   Mike’s

kinetic energy.

• equal to
• 2 times
• 4 times
• one-half times
• one-fourth times

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NGSS.MS-PS3-1

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Brianna takes her two dogs, Abby and Snoopy, to run around the dog park. Fill in the blanks to compare the two dogs.

Abby’s mass is ​ (a)   Snoopy’s mass.

Abby’s speed is ​ (b)   Snoopy’s speed.

Abby’s kinetic energy is ​ (c)   Snoopy’s kinetic energy.

• equal to
• one-half times
• one-fourth times
• 2 times
• 4 times

Tags

NGSS.MS-PS3-1

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Kati and Cambray are both running on the field during their soccer match. Fill in the blanks to compare the two soccer players.

Kati’s mass is ​ (a)   Cambray’s mass.

Kati’s speed is ​ (b)   Cambray’s speed.

Kati’s kinetic energy is ​ (c)   Cambray’s kinetic energy.

• equal to
• 3 times
• 9 times
• one-third times
• one-ninth times

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NGSS.MS-PS3-1

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Karen and Jhanvi are riding bikes around their neighborhood. Based on what you’ve learned about the relationship between kinetic energy and speed from the questions above, complete the table.

(a)  

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What two factors affect an object's kinetic energy?

• area and volume

• mass and weight

• weight and height

• mass and speed

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Which factor affects energy the MOST.

• mass

• volume

• speed

• area

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