Record your observations and data either in your lab notebook or in the space below. Table A: Cold Water
Paper Movement
Food Coloring Movement
Time
(minutes:
seconds)
0:30
I
1:00
1:30
2:00
2:30
3:00
Please someone help I don’t have the stuff to do this lab :<

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

Individuals do not compete directly for resources, but are prey for the same predator

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius