WorksheetsEnergy through Matter
Total questions: 13
Worksheet time: 7mins
How does insulation in a wall keep a house warm on a cold day?
Insulation blocks heat from leaving the house
Insulation helps heat flow between the outside and inside of the house
Insulation moves heat from outside to inside of the house.
Why is a thick comfy blanket keep you warm on a cold day?
The blanket makes heat to keep you warm.
The blanket decreases the amount of thermal energy in the air.
The blanket decreases the amount of thermal energy from your body to the air.
Which of the following will absorb heat energy?
Two sticks being rubbed together.
An ice cube melting
Steel wool rusting.
Which of these describes the property of an insulator?
does not conduct heat easily
malleable
luster
Which of these conducts heat energy the quickest?
glass
plastic
metal
Which event is an example of conduction?
Sunlight travels from the Sun to warm Earth.
Boiling water in a pot warms a spoon inside the pot
A fire in a fireplace warms the air in a room.
Which physical property is important to have in a material used in cookware?
poor conductor of heat
good conductor of heat
high flexibility
low flexibility
Energy fro the sun reaches Earth by
convection
conduction
radiation
Which material does not conduct electricity?
copper
silver
wood
iron
Which material best conducts electricity?
metal
plastic
wood
When 2 objects are touching and heat is transferred from the warmer one to the cooler one by
radiation
conduction
convection
A pan of soup is being heated on a stove. A spoon is is used to occasionally stir the soup. Which is an example of convection?
heating the pan
heating the soup
heating the stove
heating the spoon
AS water is heated, the cooler denser water sinks and pushes the less dense warm water to the top. What does this represent?
Conduction
Convection
Radiation
