Science Atmosphere Buoyancy & Pressure

Quiz
•
Physics
•
7th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Assume you have an ice cube and also a small rock that is the same size and shape as the ice cube. Predict what would happen if you placed the ice cube and rock in a glass of water.
The ice cube and rock will both float.
The ice cube will sink and the rock will float.
The ice cube will float and the rock will sink.
The ice cube and rock will both sink.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A fluid exerts pressure only in an upward direction.
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_____ force is an upward force that fluids exert on any object that is placed in them.
Buoyant
Gravity
Torque
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The amount of mass in a given volume of a substance is its _____.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object floats in a fluid when the buoyant force acting on the object is
acting above the object.
less than the object’s weight.
acting under the object.
equal or greater than the object’s weight.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A denser substance will...
become more dense in a less dense fluid.
become less dense in a less dense fluid.
float on a less dense fluid.
sink in a less dense fluid.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Buoyant force occurs because the fluid below an object exerts greater ____________________ on the object than the fluid above it.
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