WorksheetsREVIEW: HEAT ENERGY
Total questions: 10
Worksheet time: 4mins
What kind of flammable material is found inside a Butane can?
Solid flammable material
Gaseous flammable material
Liquid flammable material
Study the given diagram. To which group does nail polish belong to?
Group X
Group Y
Group Z
Group X and Y
In the Fire Triangle, which component represents the FUEL?
Matches
Wood
Smoke
Light
In the Fire Triangle, what component increases the temperature of the fuel?
HEAT
OXYGEN
FUEL and OXYGEN
Which practice will keep your home safe from fire?
Leave the gasoline container open.
When painting the house, just leave the paint and thinner around the area.
Open the valve of the LPG tank only when about to use it.
Keep wood beside the fireplace to easily get it.
When a solid object GAINS HEAT, what are the effects on the object? CHOOSE TWO (2) answers
Temperature rises and the object will become hot.
The object will become cold.
The object will become bigger in size.
The molecules of the object will move slower.
Which statement is INCORRECT when an object loses heat?
it will become cold.
It will expand.
It will contract.
Temperature will drop.
Study the given set up. What is the effect of heat on the liquid inside the tube?
The liquid LOSES HEAT that makes the molecules MOVE SLOWER so it CONTRACTS.
The liquid GAINS HEAT that makes the molecules MOVE FASTER to go DOWN.
The liquid GAINS HEAT that makes
molecules MOVE FASTER so it EXPANDS.
The liquid LOSES HEAT so the molecules MOVE SLOWER to go UP.
What are the effects of heat in the given situation? CHOOSE TWO (2) ANSWERS.
Temperature drops
Molecules move faster.
There is contraction.
Change in state of matter
TRUE or FALSE
When a solid object CONTRACTS, the length becomes longer.
TRUE
FALSE
