Question

Which of the following would be examples of concentration gradients in everyday life? PICK ALL THAT APPLY.

Running up a slide at the playground.

A drop of food coloring spreads out into a glass of water.

The smell of fresh-baked cookies starts from the kitchen and moves to the rest of the house.

The air freshener that you sprayed in the living rooms spreads out.

Answer 1

Answer:

A drop of food coloring spreads out into a glass of water.

The smell of fresh-baked cookies starts from the kitchen and moves to the rest of the house.

The air freshener that you sprayed in the living rooms spreads out.

Explanation:

A difference in concentration of molecules in physical space is called a concentration gradient. An easy to understand example from everyday life is the application and subsequent fading of perfume or aftershave scent.

Answer 2

Answer:

• A drop of food coloring spreads out into a glass of water.
• The smell of fresh-baked cookies starts from the kitchen and moves to the rest of the house.
• The air freshener that you sprayed in the living rooms spreads out.

Explanation:

These are the examples of concentration gradients in everyday life.