Push & Pull
What object can be used to measure force?
A Spring Scale
What is friction?
a force that slows objects down
What is gravity?
a force that pulls objects to the ground
A magnet has two sides that cause it to attract or repel object. What are these sides called?
a North and a South
A girl conducts an investigation with a marble, a ramp and a book to measure how far the ball would go. What other tool would be useful in her investigaation?
a meter stick
A group of friends were playing tag at recess. When a person is tagged as "IT" what type of force is used?
Push because the student pushes their hand on the other student's body?
A toddler puts her blanket on the slide then races her toy cars down the slide. How will the towel affect the toy cars?
The towel will cause the toy cars to go down the slide slower.
What activity did we conduct that investigated gravity?
Airplanes
Two magnets are pushed toward each other with North pointing to North. What will most likely happen to these magnets?
They will repel from each other.
A student uses a spring scale to pull a 40 gram book across a table. What would be the investigation question he is trying to answer?
How much force is needed to move the book?
A teacher asked a student to get her a chair to sit on at recess. What type of force does the student use to move the chair?
Pull because the student need to pull the chair across the carpet or pull the chair in their arms.
Ms. Henry use a toy car and a ramp to investigation friction. What else is needed in her investigation?
Examples: rough surface, smooth surface
Two students are playing catch with a baseball. Billy tossed the ball in the air and Jacob looked upward to catch it. How did gravity affect the motion of the ball after Billy tossed it?
Gravity pulled the ball downward for Jacob to catch it.
What does a magnet attract?
Iron or Steel
Can a magnet attract iron through another object?
Give two real life examples of the push force
Examples: pushing a lawn mower, pushing a stroller
If a student kicks a ball to his friend in the grass, what effect will friction have on the ball?
Friction will make the ball slow down
Students tossed a beanbag into a target on the floor. What two things did the students observe?
1. Gravity pulls objects to the ground
2. Gravity moves objects a different direction
How does friction affect an object compared to gravity?
Friction slows down an object but gravity pulls an object to the ground.
A class wants to design an investigation about the effect of gravity. What are two types of investigations the class can create?
Examples of correct answers: Throw a basketball into the air and observe how it moves. Drop a tennis ball from the top of your head, then measure long it takes to hit the ground.