
Understanding Air Convection Experiments
Interactive Video
•
Physics, Chemistry, Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of the video tutorial?
Convection of heat
Evaporation
Conduction of heat
Radiation of heat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used to demonstrate convection of heat in water?
A round flask with water
A plastic container
A glass of ice
A metal rod
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the water at the bottom of the flask rise when heated?
It solidifies
It becomes more dense
It evaporates
It becomes less dense
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of potassium permanganate in the experiment?
To heat the water
To color the water for observation
To cool the water
To solidify the water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the colored water in the flask during the experiment?
It remains at the bottom
It rises and sinks, showing convection
It evaporates
It freezes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used to demonstrate convection of heat in air?
A plastic bag
A glass jar
A closed rectangular box with chimneys
A metal box
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is placed below chimney B in the air convection experiment?
A fan
A heater
A piece of ice
A candle
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