What determines the density of an object?

Exploring Density and Convection Currents

Interactive Video
•
Chemistry
•
6th - 10th Grade
•
Hard

Emma Peterson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The temperature of the object
The shape of the object
The amount of matter in a given space
The color of the object
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do objects with more molecules in a space tend to sink?
They are less dense
They are warmer
They are more dense
They are lighter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the oil and water demonstration, why does oil float on top of water?
Oil is heavier than water
Oil and water have the same density
Oil is less dense than water
Oil is more dense than water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the density of a fluid when it is heated?
It remains the same
It becomes less dense
It becomes more dense
It becomes solid
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why did the boiling water float on top of the room-temperature water in the demonstration?
Boiling water is more dense
Boiling water is heavier
Boiling water is less dense
Boiling water is colder
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required to create a convection current?
A cold source
A heat source
A vacuum
A magnetic field
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a pot of water on a stove, what happens to the water at the bottom when it is heated?
It becomes more dense and sinks
It evaporates immediately
It becomes less dense and rises
It remains at the bottom
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