1.3 Acceleration

If an object is speeding up, slowing down, or changing direction, it is ___________________.

• accelerating

• stationary (not moving)

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NGSS.MS-PS2-2

What are the three types of acceleration? (Click 3)

• increasing speed

• staying at the same speed

• changing direction

• decreasing speed

• reference point

What is happening from A to B?

• Positive acceleration (increasing speed)

• Negative acceleration (decreasing speed)

• Changing direction

• No acceleration

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NGSS.MS-PS2-2

What is happening from B to C?

• Positive acceleration (increasing speed)

• Negative acceleration (decreasing speed)

• Changing direction

• No acceleration

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is happening from E to F?

• Positive acceleration (increasing speed)

• Negative acceleration (decreasing speed)

• Changing direction

• No acceleration

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NGSS.MS-PS3-5

What is happening from F to G?

• Positive acceleration (increasing speed)

• Negative acceleration (decreasing speed)

• Changing direction

• No acceleration

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is happening from at point D?

• Positive acceleration (increasing speed)

• Negative acceleration (decreasing speed)

• Changing direction

• No acceleration

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NGSS.MS-PS2-4

NGSS.MS-PS3-5

A car driving at 30 mph slows down and stops at a red light.

Is the car accelerating?

• Yes

• No

A kid rides his bike forward at a speed of 10 m/s. After 5 seconds, he is still going forward at a speed of 10 m/s.

Is the bike accelerating?

• Yes

• No

Tags

NGSS.MS-PS2-2

Ms. Porter walks to the left at a speed of 2 m/s. She turns around and is now walking to the right at a speed of 2 m/s.

Is Ms. Porter accelerating?

• Yes

• No