What is the main reason some objects float while others sink?

Boat Design and Buoyancy Concepts

Interactive Video
•
Science
•
3rd - 4th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Objects float if they are less dense than water.
Objects float if they are more dense than water.
Objects float if they are light.
Objects float if they are heavy.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following items was predicted to sink in the activity?
Aluminum foil
Plastic spoon
Rock
Tennis ball
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the water level when an object is placed in it?
The water level decreases.
The water level stays the same.
The water level rises.
The water level fluctuates.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used to describe the rising of water when an object is submerged?
Displacement
Buoyancy
Density
Gravity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the boat design activity, what material was used to create the boats?
Wood
Plastic
Aluminum foil
Paper
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be considered when placing pennies in the boat during the activity?
The color of the pennies
The temperature of the water
The size of the boat
Even distribution of weight
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which force tries to pull the aluminum foil and pennies downward?
Gravity
Magnetism
Friction
Buoyancy
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