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7th Grade Science

Ms. B

on 3 March 2017

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Transcript of Motion

EQ: How can you determine if an object is in motion?
Gain an introductory understanding of motion and forces.
Standards: 7.P.1.1
7.P.1.3 7.P.1.4

Your Task:
(students will be able to...)
Your Task:
Write down 20 facts during the video, "Physics of Motion"
Have your vocab out to be checked!
Using your vocab terms, fill in the BINGO card provided. You will want to mix them up in different combinations. Everyone SHOULD NOT have them in the same order.
motion | reference point | international system of units | meter | speed | average speed | instantaneous speed | velocity | slope | distance | acceleration
Review: In your notebooks, complete the following Punnett square and list ALL possible genotypes and phenotypes for the offspring.
C = curly hair c = straight hair
pages 598 to 605
and answer the 12 questions below using a foldable OR Cornell note style.
What is motion?
How do you know if something is moving?
Are you moving all the time?
What are SI units?
How do we calculate speed? (include ex. problem)
What are the two types of speed?
What is the difference between speed + velocity?
How do you graph motion?
How do you calculate slope?
What is acceleration?
What are the 3 things associated with acceleration?
How do you calculate acceleration?
Discuss + comprehend distance, rate, time, + acceleration
What is motion?
An object's distance from another object is changing.
How do you know if something is moving?
You must have a
reference point
An object is in motion if it changes position relative to a reference point.

Ex. If you are on a train you use a stationary object (tree). If you are moving relative to the tree, you are in motion.
Are you moving all the time?
While you are sitting at your desk...
Relative to the sun, you are moving.
Relative to earth, you don't seem to move.
What are SI units?
Units of measurement used all over the world.
International System of Units
Based on multiples of 10
How do we calculate speed?
You need the distance an object travels in a certain amount of time.
speed = distance (m or km)
time (hr or s)
Ex. What is the speed of an asteroid that travels 4,500 km in 60 seconds (s)?

speed = 4,500 km = 75 km/s
60 s
What are the two types of speed?
- divide total distance by total time
- object's speed at that moment
ex. speedometer
What is the difference between speed and velocity?
Speed and velocity are the same except
velocity has direction
Ex. velocity of a storm: 25 km/hr east
Important for pilots and air traffic controllers
How do you graph motion?
You can show motion of an object on a line graph in which you
plot distance vs. time
Time is the x-axis and distance is the y-axis
Slope tells you how fast one variable changes in relation to the other variable in the graph
distance (y)
time (x)
How do you calculate slope?
slope = rise (vertical distance)
run (horizontal distance)
This is between 2 points on the graph
Moving objects don't travel at a constant speed all of the time so you may have different slopes on the graph
What is acceleration?
Acceleration is the
rate at which velocity changes
What are the 3 things associated with acceleration?
1) Increasing speed
When an object's speed increases, the acceleration also increases.
Ex. baseball pitcher throwing a ball
2) Decreasing Speed
When an object's speed decreases, acceleration also decreases.
AKA deceleration or negative acceleration
Ex. car decelerates as it slows to stop
3) Changing Direction
An object can be traveling at a constant speed and still be accelerating.
Ex. runners accelerate as they round the curve in a track
How do you calculate acceleration?
acceleration = final speed - initial speed
units are in m/s or km/hr
Example problem
A badminton birdie leaves the racquet traveling 30 m/s. It goes over the net 0.5 seconds later with a speed of 10 m/s. Calculate its average acceleration.
acceleration = 10 m/s - 30 m/s = -20 m/s = -40 m/s
0.5 s 0.5 s
Review: On the next blank page in your notebook (leave space for notes if you did not finish), number 1 through 4 and answer the following...

1) What bone that we learned about rhymes with "nutella"?
2) What is its common name?
3) What type of joint is this bone associated with?
4) Name another place in your body with this type of joint.
Discuss + comprehend distance, rate, time, acceleration, + motion graphing
Illustrate knowledge of motion vocabulary
Discuss + understand motion graphs w/ practice
Update your agenda and take out your homework.
Make sure that ALL pages you have are glued into your notebook and update your TOC if you haven't already.
Be prepared to go over the Key Terms WS followed by review for your vocab quiz.
Review: Explain the difference between voluntary and involuntary muscle and give an example for each.
Talking =
When you finish, place your quiz in the INBOX and then work on something quietly/read.
Discuss + interpret motion graphs
Demonstrate understanding of Motion and intro to Work + Machines via Mouse Trap Car project
Update your agenda!

Glue in the Speed WS; the lowest grade was 90. You needed to show all work for a 100.

Be prepared to go over the Motion Graphs WS
BellWork: No weather or question today. Update agenda + TOC. Set up your next blank page (p. 17) for today's lab as shown below. Then, begin reading pg. 70 + complete #1 + 2 of "Getting Started" on pg. 72
Motion of Energy Lab: Rolling Along
Getting Started
2) A + B; Show ALL work!!!

2) A, B, + C

4) Data; you must graph it!

5) Conclusion

Have your homework out + ready to be checked!
Don't forget...Project Due 12/9
On the half sheet provided write your name, date, + bell + give a brief description of your Thanksgiving plans, what you are thankful for, + your favorite Thanksgiving dish :-)
Vocab Quiz
Desks should be clear
Place quiz face down in block tray when finished
Most Popular Thanksgiving Dish???
Pumpkin Pie
Apple Pie
Green Bean
Sweet Potato
Complete the rest of the Worsheet(s)
Mythbusters Clip
Take out your magnetism + "Rolling Along" labs; make sure your name is on them + that they are ready to turn in (pgs. 16 + 18 of TOC)
Copy today's EQ onto you bellwork page (pg. 1 of TOC)
Reading Selections
Coasting to Pluto p. 77
Paragraph summary + discussion questions
Physics on Ice p. 81
Paragraph summary + discussion questions
Review magnetism + discuss motion graphing
Expand knowledge of motion + calculating speed
to do
Clear your desk except for a pencil
You will work in your groups to complete Inquiry 9.2 on pgs. 100 to 101
Complete Motion Review + Reinforce and Enrich
You will have about 22 minutes w/ the cars so work efficiently!
#3: Determine who will be the best timer (get the most accurate results)
#7 to 9; don't forget to graph!
Reading selections
Twists, Turns + Loops p. 140 to 141 (paragraph + questions)
Isaac Newton Goes Skiing p. 142 to 145 (paragraph and questions)
roller coaster build
You will be called by group to work on building the coaster
We will talk about the coaster Monday
Study guide simple machines
p. 716 in the green book; answer 1 through 9 before you leave today
Full transcript