What is the primary reason metal boats can float on water?

Science Concepts in Experiments

Interactive Video
•
Science, Physics, Chemistry
•
4th - 8th Grade
•
Hard

Lucas Foster
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They are filled with air.
They displace a large amount of water.
They have a special coating that repels water.
They are made of lightweight metal.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following materials is NOT ferromagnetic?
Cobalt
Plastic
Nickel
Iron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when like poles of two magnets are brought close to each other?
They attract each other.
They repel each other.
They lose their magnetism.
They become stronger.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the magnetic levitation experiment, what was used to keep the magnets aligned?
A ring magnet
A metal rod
A plastic tube
A wooden frame
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary material used to construct the trusses in the pasta bridge?
Metal
Pasta
Plastic
Wood
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which shape is highlighted as being particularly strong for building structures like bridges?
Circle
Square
Triangle
Rectangle
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used in science to describe the point where an object is equally balanced on all sides?
Center of Gravity
Center of Mass
Equilibrium
Balance Point
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