Know that word
The ability to float.
What is Buoyancy?
What does water do when it is displaced?
It rises or overflows.
Which type of boat held more and why?
Tin foil
(It didn't crack as easily; lighter, etc)
If a boat is moving from side to side and it might tip over, it is...
unstable
Anything carried by a boat.
What is load?
If you filled a bucket up to the top and the stepped in it, what would happen?
The water would overflow.
How do you build a boat that floats?
- high sides
- no rips
- not too heavy
If a boat is unsteady, the weight needs to...
be spread out
When water is disrupted and moves up.
What is water displacement?
If you put marbles in a bucket and it over flows, the amount of water displaced would be:
a. heavier
b. equal
c. lighter
Equal
An object's ability to float depends on two things.
Shape
Material
When cleaning your station, two things you need to do are...
1. Dry all water
2. Carefully dump bucket
The amount of space that can be filled.
What is capacity?
The man who made up the theory of water displacement.
Who is Archimedes?
Name three ways a boat can move.
Paddles, motor, sail, etc.
Fill in the blanks.
The force of buoyancy needs to be ___________ that the force of gravity in order for an object to ________.
1. greater
2. float
Overall, a good boat has to:
1.
2.
3.
4.
1. Float
2. Carry a load
3. Be stable in the water
4. Move from one place to another