PS flashcards

Carbon Dioxide

A molecule made up of 1 carbon atom and 2 oxygen atoms (CO2); a reactant of photosynthesis.

Water

A molecule made up of 1 oxygen atom and 2 hydrogen atoms (H2O); a reactant of photosynthesis.

Sunlight

A type of energy that is a reactant in photosynthesis.

Oxygen Molecule

A molecule made up of 2 atoms of oxygen (O2); a product of photosynthesis.

Glucose

A type of carbohydrate that is a product of photosynthesis.

Atoms

The smallest units of matter that make up everything; examples include carbon, oxygen, sulfur, iron, hydrogen, nitrogen, lead.

Molecules

Groups of atoms bonded together; examples include water, carbon dioxide, glucose, oxygen, cellulose, proteins, amino acids.

Cells

Formed by putting a bunch of organelles together.

Organelles

Formed by putting a bunch of molecules together; examples include chloroplasts and mitochondria.

Chemical Reaction

Occurs when the bonds of reactants are broken, atoms are rearranged, and new bonds are formed to create products; energy is involved.

Reactants

The atoms or molecules that go into a chemical reaction.

Products

The atoms or molecules produced from a chemical reaction.

Chloroplast

An organelle found in plant leaf cells where photosynthesis happens.

Stomata

Tiny holes on the leaves of plants that let gases in and out.

Chemical Energy

A type of energy stored in the bonds of molecules.

Light Energy

A type of energy.

Bonds

Things that hold atoms together to make molecules; they hold energy.

Roots

Structures in plants that take up water for photosynthesis.

Leaves

Structures in plants where photosynthesis happens.

Biomass

The total mass of a living thing when all of the stored water is removed, consisting only of cell materials.