Transfer of Heat
Chemical OR Physical Change
We all Matter
Teachers
Random Science
100
In the word transfer, the word part "trans" means ____________.
To Move
100
Name at least two ways you know that there has been a physical change....
Shape or size changes, state of matter may change, and/or change in temperature.
100
What is the definition of "matter".
an object that takes up space and has mass.
YOU MUST HAVE BOTH PARTS.
100
Which of your teachers played a sport in college?
Mr. Pierce
100
What planet is known as the "Red Planet"?
Mars
200
What are the three forms of heat transfer?
Conduction, Convection, and Radiation.
200
List at least three characteristics that show chemical change.
Creates a new substance, color change, production of gas, new smell, release of energy.
200
What are the three states of matter?
Solid, liquid, and gas.
200
Which of your teachers has two children?
Mrs. Sutton
200
What gas do humans breathe in that helps them stay alive?
Oxygen
300
Mrs. Pierce used a frying pan to cook our cat a piece of tuna.... what from of heat transfer did she use?
Conduction - Direct contact
300
Mrs. Kostak loves apples. She sliced an apple at her house and forgot it! When she returned home the apples had turned brown. Is this a chemical or physical change?
Chemical change. The fruit reacted the oxygen in the air to change it's color and release a gas.
300
This state of matter has a definite shape and molecules are packed together.
Solid
300
Which teacher attended Appalachian State University?
Mrs. Kostak
300
What force pulls objects toward the center of the Earth?
Gravity
400
What form of heat transfer moved water from the ground level into the atmosphere to form clouds?
Convection
400
Mrs. Sutton was walking her dog Fendly after it rained. That dog jumped in a puddle and splashed Mrs. Sutton. The next day after the sun came out the puddle was gone. Is this a chemical or physical change?
Physical Change-- The puddle evaporated and is still water.
400
This state of matter is considered a fluid. It has no definite shape and it expands to fill the container it is in.
Gas
400
Which teacher are you most likely to see at a WCU sporting event?
Mr. Pierce
400
Which organ in your body pumps blood?
The heart
500
Explain how radiation moves through the vacuum of space?
By traveling through electromagnetic waves.
500
4 Billion years from now..... Aliens come to Earth and boil all of the water out of the oceans! Left over are giant mountains of salt crystals. Is this a chemical or physical change?
Physical change-- Water has evaporated leaving behind the salt that was dissolved in the water.
500
This state of matter is considered a fluid. It has a definite volume, but not shape, and it can fill a container if there is enough of it.
Liquid
500
Least your teachers in order:
youngest to oldest?
Mrs. Kostak, Mr. Pierce, Mrs. Sutton.
500
What is the most dense natural substance on Earth?
Diamond