Mixed
Reaction Rate
Endothermic & Exothermic Reactions
Physical & Chemical Change
Law of Conservation of Mass
100

This is anything that has mass and takes up space...

Matter

100

is the measurement of the average kinetic energy

temperature

100

A chemical reaction that absorbs heat from it's environment.

endothermic reaction

100

A process where a new substance is formed is...

Chemical Change

100
When an object has the same mass as the total of all of its parts....
The Law of Conservation of Mass
200

is the rows in the periodic table

period

200

this is what happens when you increase the temperature of a chemical reaction

increase the temperature or heating up

200

photosynthesis

endothermic reaction

200

Boiling water

Physical Change

200
If I took an apple and sliced it in half, when I measure the mass of the two halves of the apple it will be greater than/ the same as / less than the mass of the whole apple. (Hint: Choose one)
Same as
300
The amount of matter in an object.
Mass
300

 is the speed at which a chemical reaction takes place

reaction rate

300

cellular respiration

exothermic reaction

300

An explosion

Chemical Change

300
Janet cuts her pickle into two halves and eats one half. She says when she measures the mass of the remaining half, it will be the same as the mass of the whole original pickle. Is this True or False?
False
400
The amount of space something takes up.
Volume
400

is the what you do to slow down a chemical reaction

decrease the temperature or cooled it down

400

condensation

exothermic reaction

400

When a candle is lit, the wick burns, the wax melts, the candle changes shape, and the air around the candles heat up.Which of the following is an example of a chemical change?a) the wick burning b) the wax melting c) the air around the candle heating up d) the candle changing shape

A

400
Shane dropped a coffee cup and it broke into many pieces. He swept up all of the pieces into a pile. He measured the mass of the pieces. He noticed that the mass of the pieces was . . .
The same as the mass of the whole coffee cup
500
An object has the same mass as the total of all of its parts.
The Law of Conservation of Mass
500

is a substance use to speed a chemical reaction

Catalyst

500

reactants have less energy than the products

endothermic

500

Milagro left a bowl of water outside on the picnic table. After several days, the water level had decreased as a result of evaporation. Which of the following did not happen to water molecules as the water changed from liquid to a gas? a) the molecules move freely  b) the molecules moved farther part c) the molecules underwent a change of state d) the molecules underwent a chemical change

D

500
Angie made three sandwiches using the same ingredients and they all had the same total mass each. She cut Sandwich A into 2 pieces, Sandwich B into 4 pieces, and DID NOT cut Sandwich C. Her results show which Sandwich has the greatest mass?
They all have the same total mass!
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