What is a synonym for direct contact?
Touching
In what two states of matter can particles/molecules move around freely?
Liquids & Gasses
The __________'s heat is an example of radiation because it travels through space to reach us on Earth.
Sun
True or False: Heat moves from a warmer object to a cooler object.
True
What are the three types of heat transfer?
Conduction, Convection, Radiation
Conduction is heat transfer by _____________.
Direct Contact
Convection is a cycle of heat transfer through a ______.
Fluid
No
What does transfer mean?
To move from one to another
Conduction/Convection/Radiation:
*I stick my foot into my bathtub to feel the water. It is still too hot.
Conduction
Conduction happens mostly in what state of matter?
Solids
Which of the following an example of convection?
1. A lava lamp
2. The air conditioner in the classroom.
3. Cooling coffee in a mug.
All of the above.
Radiation warms _________ colors more than light colors.
Dark
When objects are cold, molecules move ____________ and are spaced ____________.
slowly, closer to eachother
Conduction/Convection/Radiation:
*Smoke and heat rise above the fire through the air.
Convection
Conduction happens when ____ materials touch each other.
2
In convection, warm fluids rise because they are ______________.
Less dense.
Radiation is heat transfer through ____________.
Invisible/electromagnetic Waves
When objects are warm, molecules move ___________ and are spaced _____________.
quickly, further from eachother
Conduction/Convection/Radiation:
*Actors on stage often get hot because of the lights above the stage.
Radiation
True or False: Conduction only happens in solids.
False: Conduction can happen in all three states of matter. It is most common in solids.
Which is an example of convection?
1. Cuddling with your warm dog
2. Pot of boiling water
2. Pot of boiling water
Which is an example of radiation?
1. Toasing a marshmallow on a campfire
2. Cooking pancakes on a pan
1. Toasing a marshmallow on a campfire
Heat moves through all types of matter. What are the three types of matter?
Solid, liquid, gas
Conduction/Convection/Radiation/None:
A hot air balloon rising in the air.
Convection