unit 2 7th grade

Front

What is a dependent variable?

Back

A dependent variable is the outcome or effect that is measured in an experiment, which is influenced by changes in the independent variable.

Front

In the context of an experiment, what is the independent variable?

Back

The independent variable is the factor that is changed or manipulated in an experiment to observe its effect on the dependent variable.

Front

What is the purpose of cellular respiration?

Back

The purpose of cellular respiration is to break down food to create energy for the cells.

Front

What are the stages of mitosis in order?

Back

The stages of mitosis in order are prophase, metaphase, anaphase, and telophase.

Front

What is diffusion?

Back

Diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What is active transport?

Back

Active transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, using energy.

Front

What is an isotonic solution?

Back

An isotonic solution is a solution that has the same concentration of solutes as another solution, resulting in no net movement of water.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is the green pigment in plants that absorbs light energy, which is used to convert carbon dioxide and water into glucose and oxygen during photosynthesis.

Front

What is the formula for photosynthesis?

Back

The formula for photosynthesis is 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.