Matter —> Energy

Question 1

Scientific name for the ingredients we start with before a chemical change?

Answer 1

Reactants

Question 2

Scientific name for materials we end up with after a chemical change?

Answer 2

Products

Question 3

Scientific name—energy going out of something in a chemical reaction(gives off) it’s called?

Answer 3

Exothermic

Question 4

Scientific name—energy going into something in a chemical reaction (absorbs it)-it’s called?

Answer 4

Endothermic

Question 5

What is the scientific name for something that speeds up a chemical reaction?

Answer 5

Catalyst

Question 6

What is the scientific name for something that slows down a chemical reaction?

Answer 6

Inhibitor

Question 7

What is the scientific name for something that speeds up a chemical reaction in the body?

Answer 7

Enzyme

Question 8

I burn gasoline:

Answer 8

C

Question 9

I burn sugar:

Answer 9

B

Question 10

Give two examples of what you can do to speed up the chemical reaction of burning wood?

And?

Answer 10

Fuel, Oxygen, More heat, cut wood.

Question 11

I burn a piece of wood—compared with how much I start with— how much material do I end up with?

Answer 11

The same

Question 12

Give two examples of what you can do to speed up the chemical reaction of rusting?

Answer 12

Oxygen, Water, Salt

Question 13

I forgot to start baking a Turkey 10 hours before dinner. Give two ways to cook it faster (but not hotter!)

Answer 13

Cut up
pressure up

Question 14

I put leftover food in the fridge or freezer because this will do what to the food?

Answer 14

Slow decomposition

Question 15

The definition of “chemical reaction” is when?

Answer 15

Atoms rearrange

Question 16

An insta pot cooker, cooks faster than a crock pot because of its?

Answer 16

Pressure

Question 17

A potato to cut into little pieces will cook faster than a whole potato because of its?

Answer 17

Surface Area

Question 18

A butane torch will burn wood faster than a match, because of its?

Answer 18

Temp/heat/energy

Question 19

A pan of dinner roles will rise more with more yeast, than less because of its?

Answer 19

Concentration

Question 20

The cracker on our tongue broke down into mush, because our saliva contains a chemical called?

Answer 20

Amalayse

Question 21

The previous chemical breaks down what type of chemical material?

(Amalayse)

Answer 21

Carbs

Question 22

The “Law of __________ of Matter” needs what word in the middle of the phrase?

Answer 22

Conservation

Question 23

What does the previous answer mean about the matter for this law?
(Conservation)

The matter:

Answer 23

Not change

Question 24

We have another law exactly the same as two questions earlier— but the last word is changed to?

Answer 24

Energy

Question 25

Give an example of question 3’s answer: (Exothermic)

Answer 25

Fire, Digest Food

Question 26

Give an example of question 4’s answer: (Endothermic)

Answer 26

Cook food