What is a push or pull?

Force

What is needed to move a wheelbarrow full of rocks than a wheelbarrow full of flowers?

More force

What is a substance which reacts with a base?

Acid

What reacts with acids to form salts and water?

Base

What takes in light energy, carbon dioxide, and water producing glucose and oxygen?

Photosynthesis

What is a force that pulls objects toward earth?

Gravity

What is the cause of a soccer ball rolling on grass to stop?

Friction

What is a proton acceptor?

Base

What is from the latin acidus/acere?

Acid

What releases stored energy in glucose, allowing the organism to function?

Cellular Respiration

What of an object tells how much gravity pulls on it?

Weight

What shows how much force it takes to lift something?

Spring Scale

What refers to two or more atoms which have chemically combined to form a single species?

Molecule

What is the meaning of the Latin term Ferrum?

Iron

What absorbs light energy in photosynthesis?

Chlorophyll

What pulls on, or attracts, some metal objects?

Magnets

What are the measured units of force called?

Newtons

What is a filter paper which has been treated with a natural water soluble dye?

Litmus Paper

What is liquid iron called?

Ferrofluid

What is the level at which plants contain special pigments, enzymes, and electrons carriers needed for photosynthesis?

Molecular level

What makes moving objects slow down or stop?

Friction

What is the three kinds of friction?

Sliding, Rolling and Fluid Friction

What is a measure of hydrogen ion concentration?

pH

What is the number of electrons with which a given atom generally bonds or number of bonds an atom forms?

Valence

What is the structures that are specialized for the light-dependent reactions?

Thylakoid Membranes