Question | Answer |
How is mass measured? | balance scale |
how is volume measured? | l x w x h or water displacement |
What are physical properties / 5 seances? | way to describe mater |
What are the phases of matter? | solid, liquid, gas |
how do you change a solid to a liquid | add energy |
liquid to solid | decrease energy |
freezing point of water | 32f 0c |
why can't we get to absolute zero | Every thing has to die |
how do you turn a solid to a gas | add energy |
boiling point of water | 212 f or 100 c |
what is absolute zero | when molecules completely stop |
what is a physical change | Change in size, state, and color |
what is a chemical change | CHANGE IN MATTER |
what do I know about molecules | molecules can't be seen by the human eye |
Which is not a chemical change cooked pancakes or marker on paper | marker on paper |
Which is not a physical change vinegar and baking soda or ripped paper | vineger and baking soda |
kool aid, salt in water, bubble bath | can't take them apart |
salad, trail mix and pebbles in sand | can take them apart |
has volume and mass | mater!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
how to check a volume of a ball | waterdisplacement |
can a gas go to a liquid | !!!!!!!!!!!!!!!!!!!!!!!! yes !!!!!!!!!!!!!!!!! |
Chemical changes are different from physical because ??????????? | |