Investigating the Impact of Surfaces on Objects' Movement
FORCES LESSON 3B
Why Do Moving Objects Slow
Down and Eventually Stop?
Last Time
How did you revise this sentence at the end of
our last lesson?
I think the soccer ball I kick on a field
will eventually stop because _______.
Today’s Focus Question
Why do moving objects slow down and
eventually stop?
Investigation: Does the Surface Matter?
Car
Ramp
Meter Stick
Photo courtesy of BSCS
Carpet
Investigation: Does the Surface Matter?
Photo courtesy of BSCS
Photo courtesy of BSCS
Investigation: Does the Surface Matter?
Record your distance measurements on this data
table in the handout.
Class Data Table
Record your team’s
Middle Distance
measurement
on the class data table.
Looking for Patterns in the Data
•
What patterns do you see in the class data?
•
Do these results match your predictions?
Explain Your Ideas
Question 1:
Why do you think the car traveled
different distances over the three surfaces?
•
Write your explanation on the handout.
•
Make sure to support your ideas with
evidence from the data table and our
investigation.
Let’s Summarize!
Question 2:
If forces make an object start to move, do
they also have something to do with making an object
stop moving?
Turn and Talk:
Talk about this question with an elbow
partner. Then complete this sentence on the handout:
I think forces [do/do not] have something
to do with making an object stop moving
because __________________________.
Use evidence from your investigation to explain your
answer.
Today’s Focus Question
Why do moving objects slow down and
eventually stop?
Next Time
In our next lesson, we’ll continue thinking about
why objects slow down and eventually stop.
At home tonight, find out how your family would
answer the last question on our handout:
If forces make an object start to move, do
they also have something to do with making
an object stop moving?
Explore why moving objects slow down and eventually stop through investigations on different surfaces. Collect data, analyze patterns, and explain variations in distances traveled. Engage in discussions about the role of forces in both initiating and halting object motion.
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Presentation Transcript
FORCES LESSON 3B Why Do Moving Objects Slow Down and Eventually Stop?
Last Time How did you revise this sentence at the end of our last lesson? I think the soccer ball I kick on a field will eventually stop because _______.
Todays Focus Question Why do moving objects slow down and eventually stop?
Investigation: Does the Surface Matter? Carpet Car Ramp Meter Stick Photo courtesy of BSCS
Investigation: Does the Surface Matter? Photo courtesy of BSCS Photo courtesy of BSCS
Investigation: Does the Surface Matter? Record your distance measurements on this data table in the handout. Surface Distance Trial 1 Distance Trial 2 Distance Trial 3 Middle Distance Carpet Tile Sandpaper
Class Data Table Record your team s Middle Distance measurement on the class data table. Surface Team 1 Team 2 Team 3 Team 4 Team 5 Team 6 Team 7 Carpet Tile Sandpaper
Looking for Patterns in the Data What patterns do you see in the class data? Do these results match your predictions?
Explain Your Ideas Question 1: Why do you think the car traveled different distances over the three surfaces? Write your explanation on the handout. Make sure to support your ideas with evidence from the data table and our investigation.
Lets Summarize! Question 2: If forces make an object start to move, do they also have something to do with making an object stop moving? Turn and Talk: Talk about this question with an elbow partner. Then complete this sentence on the handout: I think forces [do/do not] have something to do with making an object stop moving because __________________________. Use evidence from your investigation to explain your answer.
Todays Focus Question Why do moving objects slow down and eventually stop?
Next Time In our next lesson, we ll continue thinking about why objects slow down and eventually stop. At home tonight, find out how your family would answer the last question on our handout: If forces make an object start to move, do they also have something to do with making an object stop moving?
