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Motion

7th Grade Science
by

Ms. B

on 1 December 2015

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Transcript of Motion

MOTION
EQ: How can you determine if an object is in motion?
SWBAT:
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"
http://app.discoveryeducation.com/player/view/assetGuid/BF066729-9C83-4251-9CF3-446B288691DA
Bellwork
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
Bellwork
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
C
c
c
c
Read
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?
SWBAT:
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?
average
- divide total distance by total time
instantaneous
- 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
time
units are in m/s or km/hr
2
2
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
Bellwork
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.
SWBAT:
Discuss + comprehend distance, rate, time, + acceleration
UPDATE YOUR AGENDA!!!
https://www.brainpop.com/science/motionsforcesandtime/distancerateandtime/
https://www.brainpop.com/science/motionsforcesandtime/acceleration/
2
SWBAT
Illustrate knowledge of motion vocabulary
Discuss + understand motion graphs w/ practice
BELLWORK
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.
ANSWER the FOLLOWING ON PAGE (SEE BOARD) OF YOUR NOTEBOOK:
Review: Explain the difference between voluntary and involuntary muscle and give an example for each.
http://www.teachergaming.net/g/8052/1/392
QUIZ
Talking =
When you finish, place your quiz in the INBOX and then work on something quietly/read.
SWBAT
Discuss + interpret motion graphs
Demonstrate understanding of Motion and intro to Work + Machines via Mouse Trap Car project
BELLWORK
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: Copy EQ on pg. 1 of TOC. Set up your paper 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
Name
Date
Block
Getting Started
2) A + B; Show ALL work!!!

Procedure
2) A, B, + C

4) Data; you must graph it!




5) Conclusion


ANSWER EQ
BellWork
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
TALKING = 0
Desks should be clear
Place quiz face down on front table when finished
Most Popular Thanksgiving Dish???
Pumpkin Pie
Apple Pie
Turkey
Ham
Green Bean
Casserole
Rolls
Cranberry
Sauce
Sweet Potato
Casserole
Stuffing
Gravy
Mac'n'cheese
Complete the rest of the Worsheet(s)
Mythbusters Clip
https://app.discoveryeducation.com/learn/videos/5F63BABC-40D9-40DD-B9C9-D26B627C5B3E?hasLocalHost=false
BellWork
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)
https://www.brainpop.com/science/motionsforcesandtime/magnetism/
https://www.brainpop.com/math/algebra/distancerateandtime/
CHROMEBOOKS
Wrap up
Answer your EQ + begin working on HW worksheet!
Reading Selections
"Coasting to Pluto" p. 77
Paragraph summary + discussion questions
"Physics on Ice" p. 81
Paragraph summary + discussion questions
SWBAT
Review magnetism + discuss motion graphing
Full transcript