Question | Answer |
What is volume? | the amount of space an object fills |
What is mass? | the amount of matter in an object |
What is matter? | matter is anything that has mass and volume |
What is weight? | how strongly gravity pulls on an object |
What are the 3 states of matter? | solid, liquid and gas |
What is melting point? | the temperature that a solid changes to a liquid |
What is freezing point? | the temperature that a liquid changes to a solid |
What is boiling point? | the temperature that a liquid changes to a gas |
What is evaporation? | when the atoms on the surface of a liquid become a gas |
What is sublimation? | when a solid changes to a gas (dry ice) |
What is density? | the thickness of an object |
What is a phase change? | when a substance changes from one state of matter to another |
What are two ways liquid can turn into gas? | evaporation and boiling |
What is density determined by? | how tightly packed the object's atoms are |
Which state of matter is the least dense? | gas |
Which state of matter is the most dense? | solid |
Which state of matter is less dense than solids, but more dense than gas? | liquid |
What is it called when gas changes back into a liquid? | condensation |
In one lifetime, how much saliva will your mouth produce? | enough to fill TWO swimming pools |
How many penguins can a single polar bear eat in one sitting? | 86 penguins |
On what day are heart attacks more likely to happen? | Monday |
If you fart every hour for 6 years and 9 months, you can produce enough energy to create what? | an atomic bomb |
Is Mrs. Williams insane? | yes. |