Heat is ____________ that makes things hot.
temperature
energy
gas
fire
What is this and what does it do?
It's an iron. It heats up and smooths out wrinkles in clothes.
What is this and what does it do?
It's a toaster. It heats up bread and makes it hard and crispy.
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 ...
What is the hottest thing you can think of?
Lightning!
What is the sun made of?
very, very hot gases
very, very hot solids
very, very hot liquids
True or False: The heat from the sun warms the land, air, and water all around us.
FALSE
TRUE
Which t-shirt will get hotter quicker?
the black t-shirt
the white t-shirt
_________________ warm up quickly in the sun.
Dark-colored things
Light-colored things
________________ take longer to warm up.
Light-colored things
Dark-colored things
What happens when you rub your hands together?
They feel itchy.
They feel cool.
They feel fuzzy.
They feel warm.
What is it called when heat turns a solid into a liquid?
MELTING
What is it called when heat turns a liquid into a gas?
EVAPORATING/EVAPORATION
What is happening to the man?
He's melting.
What is happening to the ice cream?
It's melting.
