What is friction? (think about the activity with the rolling pencil)
Friction happens when two things rub against each other. Friction makes things slow down. It can also warm them up.
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15
Does this show magnets attracting or repelling?
Repelling (same/like poles repel)
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banana
Go to last place!
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shark
Other team loses 5 points!
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shark
Other team loses 15 points!
Okay!
banana
Go to last place!
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15
What is a magnet?
an object that can pull certain types of metal toward itself
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15
What does it mean for a magnet to "repel"?
push away; same poles repel (S and S; N and N)
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15
Think about the activity we did with the balled up paper or the sock. How did we change the motion of the objects?
Possible answers: Tossed it in air, threw it harder, hit it. (Reminder: Forces change the motion of an object. Motion can speed up, change direction or stop.)
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15
What kinds of materials can magnets pull through? (think about the activities with the maze, ruler and cup)
non-magnetic things like cardboard, glass, plastic, wood and water
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15
What is motion? (Think about the activity we did with the balled up paper or the sock.)
movement or a change in position
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15
Does this show magnets attracting or repelling?
Attracting (opposite poles attract)
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thief
Give points!
5
10
15
20
25
seesaw
Swap points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
15
What does it mean for a magnet to "attract"?
pull closer; opposite poles attract (N and S; S and N)