What is happening to the snowman?
It's melting.
What is the hottest thing you can think of?
Lightning!
True or False: The heat from the sun warms the land, air, and water all around us.
FALSE
TRUE
What is the sun made of?
very, very hot gases
very, very hot solids
very, very hot liquids
What is happening to the ice cream?
It's melting.
What is happening to the liquid in the cup?
The liquid is evaporating.
What is it called when heat turns a liquid into a gas?
EVAPORATING/EVAPORATION
What is this and what does it do?
It's an iron. It heats up and smooths out wrinkles in clothes.
_________________ tells us how hot something is.
Numbers
The Sun
Temperature
Weather
What is happening to the man?
He's melting.
What do we use to measure temperature?
A thermometer.
Which t-shirt will get hotter quicker?
the black t-shirt
the white t-shirt
What is this and what does it do?
It's a toaster. It heats up bread and makes it hard and crispy.
Which thermometer has the coldest temperature?
B
D
C
A
What is it called when heat turns a solid into a liquid?
MELTING
What happens when you rub your hands together?
They feel fuzzy.
They feel itchy.
They feel cool.
They feel warm.
_________________ warm up quickly in the sun.
Light-colored things
Dark-colored things
Heat is ____________ that makes things hot.
energy
gas
fire
temperature
What is this and what does it do?
It's a kettle. It heats up water for tea/coffee or for cooking.
Look around. What can you see in the classroom that is producing heat?
the computer/the projector/light bulbs/cellphone/students ...
________________ take longer to warm up.
Light-colored things
Dark-colored things