WorksheetsHEAT REVIEW
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Molly notices hot sparks rising from a campfire. She knows the sparks are hot, because they are red. Which best explains the hot sparks rising?
a)
The sparks are rising due to radiated heat.
b)
The sparks are rising due to heat being conducted.
c)
The sparks are rising, and heat rises, proving this is convection.
d)
The sparks are rising to replace warm air, so the sparks are convecting heat.
2.
Which shows an example of convection?
a)
Jose cooks an egg in a pot of boiling water.
Jose cooks an egg in a pot of boiling water.
b)
Clara burns her hand by touching a light bulb.
Clara burns her hand by touching a light bulb.
c)
ucy wraps herself in an electric blanket to keep warm.
d)
Ben holds the end of a metal rod in fire to cook hot dogs.
3.
Which best describes the process of conduction?
a)
When two objects touch, the heat is transferred into the air.
When two objects touch, the heat is transferred into the air.
b)
When two objects touch, the heat from the hotter object is transferred to the cooler object.
c)
When two objects touch, the cool air from the cooler object is transferred to the hotter object.
d)
It's the way the Sun transfers heat to the Earth
4.
Which of the following is an example of radiation?
a)
Macaroni moving around in a pot of boiling water.
b)
Steam rising from a boiling pot of grits being cooked.
c)
The sun shining through a window and warming a table.
The sun shining through a window and warming a table.
d)
Burning hand when touching a hot stove.
5.
Ice cubes are placed in a glass of water that is at room temperature. Which statement best describes the temperature of the water after 10 minutes?
a)
The temperature decreases because some of the water’s heat is lost to the ice.
b)
The temperature decreases because some of the ice’s heat is lost to the water.
c)
The temperature increases because some of the coolness of the water is absorbed by the ice.
d)
The temperature increases because some of the coolness of the ice is absorbed by the water.
6.
A girl is heating soup. As she stirs the soup with a metal spoon, the spoon becomes hot and burns her hand. Why does the spoon burn the girl’s hand?
a)
The heat from the soup is radiated through the spoon.
b)
The heat from the soup is conducted through the spoon.
c)
The warmth of the girl’s hand is radiated into the spoon.
d)
The warmth of the girl’s hand is conducted into the spoon.
7.
Which is the best example of convection?
a)
a camp fire
b)
a light bulb
c)
a hot air balloon
d)
a microwave oven
8.
On a hot summer day, a student dropped an ice cube onto a park bench. Within minutes, the ice cube melted. Which bestdescribes the process the student observed?
a)
radiation
b)
combustion
c)
conduction
d)
convection
9.
Which would most likely turn gas into a liquid?
a)
cooling
b)
boiling
c)
warming
d)
freezing
10.
On a hot day in the sun, why does Robert use a foam can holder to keep his drink cool?
a)
Foam insulates the cold drink.
Foam insulates the cold drink.
b)
Foam reflects cold air from the can.
Foam reflects cold air from the can.
c)
Foam reflects heat from the sun off the can.
d)
Foam conducts heat between the can and the air.
11.
Raul is packing a cooler for a hot day at the beach. Which type of cooler should he select to keep his food as cold as possible?
a)
black plastic cooler
b)
black fabric cooler
black fabric cooler
c)
white metal cooler
white metal cooler
d)
white foam cooler
white foam cooler
12.
A family living on the top floor of a tall building complains that their home gets too hot during the day. Which could they add to the roof to allow their home to stay cooler?
a)
black metal
b)
white metal
c)
black rubber
black rubber
d)
white rubber
100 %
