Forces
What is a force?
A push or pull
What are the names of the two poles on a bar magnet?
North and South Pole
What does it mean when an object is in motion?
It means it is moving and changing its position or direction.
What is the vocabulary word we learned that means two magnets are drawn to each other?
Attract
What was the name of the item we made that jumped into the air using a rubber band and cardboard?
A Hopper Popper
What type of force is it when you play tug of war and neither side moves anywhere?
A balanced force
What two poles have to be facing each other in order for the magnets to attract to one another?
North and South Poles need to face each other
Ice, smooth wooden floor, tile, etc.
What is the vocabulary word we learned that means two magnets push away from each other?
Repel
True or False?
An object that is not moving can start moving without a force?
False, an object that is not moving will stay this way until it receives a push or pull force.
What type of force is it when you are able to push your little brother over who is smaller than you?
An unbalanced force
What are some materials that magnets are not attracted to? You need at least 2.
Glass, Wood, Plastic, Copper, etc.
What is the name of the force that slows objects down when they are in motion?
Friction
What is created when we have a bar magnet on a table and tap the table, with iron filings around it?
A Magnetic Field
Why isn't a simple wooden board a good bridge to use to cross a wide stream? What does it need to make it better?
The wooden board will end in the middle when weight is put on it. The plank would need pillars or some sort of support underneath to make it stronger.
What force pulls objects down to the ground?
Gravity
True or False?
It is possible to make a paper clip float.
True, we saw this when I used a paper clip on a string float with the help of magnets.
What is a real-life example of friction happening?
Answers will vary - a car breaking, rubbing hands together, a swimmer in water, your shows on the floor if there is rubber on the bottom of them
What is the vocabulary word that means how fast or slow an object is going?
Speed
What are the names of 2 of the 3 bridges we have learned about during this unit?
**Bonus 100 points if you get all 3!
1. Arch
2. Suspension
3. Pillar
Maggie is dragging a wagon behind her to school. What type of force is Maggie putting on the wagon?
Logan is moving his box across the floor by sliding it over the wooden surface. What type of force is Logan putting on the box?
Maggie is using a pull.
Logan is using a push.
If you have two bar magnets across from each other, what ways could they be facing in order for them to repel each other. List all options.
They could be facing North - North or South - South.
What is an example of a back and forth motion in real-life?
A swing, a rocking chair, a pendulum, etc.
What is it called when a specific motion repeats over and over again? (Ex. the trapeze)
A Pattern of Motion
When a leaf is blowing in the wind and flying around, what is creating the push force that allows it to do this?