Pushes and Pulls
Which will require more force?
A. Pulling a wagon full of pumpkins
B. Pulling an empty wagon
C. Both require the same force
A. Pulling a wagon full of pumpkins
What causes objects to fall toward the ground?
A. Gravity
B. Friction
C. Magnets
A. Gravity
True or False?
An object has to touch a magnet for it to be attracted to it.
False
Which is NOT a type of force?
A. Gravity
B. Friction
C. Air
C. Air
Which is an example of a change in position?
A. Sitting in a chair
B. Standing on a step
C. Opening a cabinet door
C. Opening a cabinet door
Which two examples below can use a pushing and a pulling force?
A. A door
B. A chair
C. A button
A. A door
and
B. A chair
True or False?
All objects are affected by the force of gravity.
True
Which object will be attracted to a magnet?
A. eraser
B. block
C. paper clip
C. paper clip
This type of force brings things closer to you (toward you).
A pull
A boy kicks a soccer ball into the goal. Is this an example of a push or pull?
Push
Sammy pushes a toy car two times. On the second push he uses more force than he did on the first. How will this change the motion of the toy car?
A. The car will go the same distance
B. The car will go a shorter distance
C. The car will go a farther distance.
C. The car will go a farther distance.
Charlotte sits in her chair at school. Why doesn't she fall on the ground?
A. Gravity is holding her up
B. The chair is holding her up
C. She is sticking to the chair
B. The chair is holding her up
What are the two poles of a magnet?
North and South
This type of forces takes objects away from you.
A push
Which object will NOT be attracted to a magnet?
A. a paper clip
B. a magnet
C. a pencil
C. a pencil
Describe what happens if Rob is using a gentle push on a ball.
The ball moves slowly
The ball moves a short distance
True or False?
Objects will fall to the ground if nothing is holding them up.
True
Grace has three items in a bag. She picks up two items with a magnet. What two items could Grace have picked up?
A. A pillow and a tothbrush
B. A paper clip and an iron nail
C. A copper penny and a plastic cup
B. A paper clip and an iron nail
This type of force occurs when one object rubs against another object.
Friction
Danny roller skates on the grass. Harry ice skates in a skating rink.
Who is experiencing more friction?
Danny
Faith wants to bring her glass of orange juice to her mouth. What type of force should she use?
A. a pushing force
B. a force with friction
C. a pulling force
C. a pulling force
Max drops a bag of 5 marbles and a bag of 15 marbles at the same time from the same height. Which bag of marbles will hit the ground first?
A. the bag of 5 marbles
B. the bag of 15 marbles
C. both bags will hit the ground at the same time
C. both bags will hit the ground at the same time
Magnets attract objects and repel objects without having to touch them? What type of force occurs when an object is repelled from a magnet?
A. push
B. pull
C. No force is used
A. push
This force pushes against moving objects and causes them to slow down
Friction
Janet throws a baseball with a lot of force. Jonah throws a baseball with a little force. What will happen?
A. Janet's ball moves more slowly than Jonah's
B. Both balls travel at the same speed
C. Jonah's ball faster than Janet's.
A. Janet's ball moves more slowly than Jonah's