
Buoyancy and Density Concepts
Interactive Video
•
Physics, Science, Other
•
6th - 7th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason a cargo ship can float while a paperclip sinks?
The cargo ship is made of lighter materials.
The cargo ship is less dense overall.
The paperclip is too small to float.
The paperclip is made of a special metal.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does density relate to an object's ability to float?
Objects denser than the liquid will sink.
Denser objects always float.
Less dense objects tend to sink.
Density has no effect on floating.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What example is used to explain density in the video?
A basketball and a tennis ball.
A rock and a feather.
A car and a bicycle.
A bowling ball and a volleyball.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What principle did Archimedes discover about objects in water?
Objects in water become lighter.
Objects displace their weight in water.
Objects displace their volume in water.
Objects in water always float.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if an object is heavier than the water it displaces?
It will hover in the water.
It will sink.
It will float.
It will dissolve.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can a cargo ship float despite being very heavy?
It is made of lightweight materials.
It is hollow and displaces a lot of water.
It is powered by engines that keep it afloat.
It has a special coating.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key design feature of cargo ships that helps them float?
A wide deck.
A hollow structure.
A pointed bow.
A flat bottom.
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