What happens to the dye molecules when a drop of red dye is added to water?

• They stay in one place.

• They move randomly away from each other.

• They move towards each other.

• They sink to the bottom.

Tags

NGSS.MS-PS1-2

What is the process called when molecules move from an area of high concentration to an area of low concentration?

• Absorption

• Filtration

• Diffusion

• Osmosis

What type of membrane allows only certain substances to pass through?

• Semi-permeable membrane

• Non-permeable membrane

• Permeable membrane

• Impermeable membrane

What is the term for the diffusion of water through a semi-permeable membrane?

• Filtration

• Osmosis

• Diffusion

• Absorption

What does the cytoplasm mostly consist of?

• Water with dissolved solutes

• Lipids

• Proteins

• Carbohydrates

What determines the movement of water across a semi-permeable membrane?

• Temperature

• Pressure

• Concentration of solutes

• Size of the cell

Tags

NGSS.MS-ESS2-4

What happens to a cell placed in a hypertonic solution?

• It divides.

• It shrivels up.

• It remains the same.

• It swells and bursts.

What is a hypertonic solution?

• A solution with lower solute concentration than the cell

• A solution with higher solute concentration than the cell

• A solution with the same solute concentration as the cell

• A solution with no solutes

What happens to a cell placed in a hypotonic solution?

• It remains the same.

• It shrivels up.

• It divides.

• It swells and bursts.

Tags

NGSS.MS-LS1-2

What is an isotonic solution?

• A solution with no solutes

• A solution with the same solute concentration as the cell

• A solution with higher solute concentration than the cell

• A solution with lower solute concentration than the cell