NEW flashcards

Q3 Test: 4/19NEW flashcards

These flashcards will help you review the material from quarter 3!

Quarter 3 flashcards

New

ReArrange

Broken

1. Reactant bond are __________ 2. Atoms ___________ 3. _________ bonds are formed

Chemical Changes

end with

start

Products are produced (__________)

Reactants are what you ________with

NOTICE:

Chemical Equation of burning candle

Rearranged

EQUAL

No atoms are lost just ___________!

There is one "D" atom on the reactant side and one "D" atom on the product side

There is one "C" atom on the reactant side and one "C" atom on the product side

There is one "B" atom on the reactant side and one "B" atom on the product side

There is one "A" atom on the reactant side and one "A" atom on the product side

ATOMS REARRANGE

The total number of atoms (total mass) on the reactants side must ______ the number of atoms on the product side

Conservation of Mass

ATOMS REARRANGE

ATOMS REARRANGE

ATOMS REARRANGE

3.

2.

1.

YOU TRY! Which of the choices below correctly shows conservation of mass?

FOOD

PLANTS

Photosynthesis- Process where _______ make their own __________.

Chemical

LIGHT

Plants convert ________ energy into _______ energy (food!)

PUTTING TOGETHER

LIGHT

_____________

_____________

Synthesis

Photo

CHLOROPLAST

Photosynthesis takes place in the _____________ of plant cells!

MOVE ON

CHECK

Oxygen

Glucose (food)

Water

Carbon Dioxide

Give it a try! Sort the words

Plants give off/make...

Plants take in...

PRODUCTS

REACTANTS

Chemical

Photosynthesis is a _____________ reaction, this means the atoms REARRANGE to make something new.

I modeled 6CO2 By showing 6 carbon dioxide (CO2) molecules. Each molecule has 1 carbon atom and 2 oxygen atoms.

= hydrogen

= oxygen

= carbon

How many of that molecule

MOVE ON

CHECK

HELP

REARRANGE THE ATOMS IN THE REACTANTS TO BUILD THE PRODUCTS

= hydrogen

= oxygen

= carbon

NO

YES

COUNT! Is this equation balanced? Do the hydrogen atoms on one side of the arrow match the hydrogen atoms on the other side? Carbon atoms? Oxygen atoms?

formed

energy

Energy in a Chemical Reaction

It takes ___________ to break bonds Energy is released when bonds are __________

A LOT of energy exits (temps increase)

Energy enters

Products

Reactants

EXITS

increases

• Temperature ____________
• Energy ___________

Exothermic Reaction

energy released (temp. decreases)

MORE energy ENters

Products

Reactants

ENTERS

decreases

• Temperature ____________
• Energy ___________

ENDOthermic Reaction

OR

EXOthermic

ENDOthermic

OR

EXOthermic

ENDOthermic

OR

EXOthermic

ENDOthermic

Baking Soda and Calcium Chloride Reaction

OR

EXOthermic

ENDOthermic

Takes in more heat energy and less energy is released in the products

Photosynthesis

OR

EXOthermic

ENDOthermic

Takes in less heat energy and MORE energy is released in the products

Cellular Respiration

ENERGY

Generates ____________ (ATP) that living things can use for thinking, walking, breathings etc!

Cellular Respiration

ATP (energy)

MOVE ON

CHECK

Oxygen

Glucose (food)

Water

Carbon Dioxide

Give it a try! Sort the words

Plants AND animals give off/make...

Plants AND animals take in...

PRODUCTS

REACTANTS

Chemical

Cellular Respiration is a _____________ reaction, this means the atoms REARRANGE to make something new.

MITOCHONDRIA

Cellular Respiration takes place in the _____________ of plant cells!

Takes in oxygen and glucose to make carbon dioxide, water and ATP

OR

Cellular Respiration

Photosynthesis

Takes place in the chloroplast of plant cells

OR

Cellular Respiration

Photosynthesis

Reactants: water, carbon dioxide, light energy

OR

Cellular Respiration

Photosynthesis

Happens in both plants AND animal cells

OR

Cellular Respiration

Photosynthesis