Show:
Motion and Balance
Spinning
Rollers
Back and Forth
Magnets
100
The act of moving is called _________?
Motion
100
The word that means "to move around an axis" is?
Spin
100
What size of discs did you need to make the roller go straight? Same size or different sizes?
Same size discs.
100
How do instruments make sound?
By vibrating.
100
Do magnets: a) push b) pull c)push and pull
c) push and pull
200
Something that is Balance is also called______? a) Strong b) Stable c) Solid
b) Stable
200
What is the name for a straight line that something spins around?
An Axis
200
A rod (or straw) that wheels (discs) are added on to is called an _______?
Axle.
200
What pitch does a short string make?
Low pitch.
200
True or false: Magnets can stick or attract to everything?
False- only to metal
300
Clothespins helped the crayfish balance by adding______?
Counterweight
300
You can make something spin by applying two types of force- what are the two forces?
push and pull.
300
Name 4 things that can roll?
(answers will vary)
300
What pitch does a long string make?
High pitch.
300
Can a magnet make something move without even touching it?
Yes.
400
What is the name for the spot where the balancing is happening. (Think- the crayfish nose on our finger)
Balance point
400
Did our spinners work better with a big red disc or a small yellow disc? Why?
Big red disc because it was heavier.
400
What direction did the rollers go on the ramp? Why?
The rollers went down the ramp because the ramp was on a slope.
400
Do you pluck gently or hard to make a loud sound?
Pluck hard.
400
Describe what happened to the paper clips on the popsicle were moved over the magnet.
The paper clips were being pulled toward to magnet.
500
Is counterweight added above or below the balance point?
Below
500
What is the difference between spinning and rolling?
Spinning is when something moves around an axis. Rolling is when an object moves from one place to another by turning over and over.
500
Explain how you can make your roller turn when it was rolling. What direction will it roll?
On one side of the stick you add a large disc and on the other side you add a small disc. The roller will turn in the direction of the small disc.
500
Explain how you can stop a sound. (Think about how you can stop an instrument from making a noise).
To stop sound, you have to stop the instrument from vibrating.
500
What is the big name for the force magnets create?
Magnetism.