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Question 1

How do plants take in carbon dioxide and what do they use if for?

Answer 1

Plants absorb carbon dioxide through their stomata for photosynthesis to produce glucose

Question 2

How does carbon move from plants to animals

Answer 2

Animals eat plants or other animals transferring the carbon in the food chain

Question 3

Why is nitrogen important for living things?

Answer 3

Nitrogen is a key component of amino acids, proteins, and DNA, essential for growth and development

Question 4

What are the three things plants need for photosynthesis

Answer 4

Carbon dioxide (CO2), Water, and sunlight

Question 5

What is cellular respiration?

Answer 5

Process of breaking down glucose to release energy (ATP)

Question 6

What is cohesion?

Answer 6

Attraction between water molecules due to hydrogen bonding

allows water to form droplets and creates surface tension

Question 7

What is the density of water as a solid compared to a liquid?

Answer 7

Ice is less dense than liquid because water molecules form a crystalline structure when frozen

Allows ice to float, insulating aquatic life in cold environments

Question 8

What does it mean that water is polar and why important?

Answer 8

Slight positive charge on the hydrogen atoms and slight negative charge on the oxygen atom.

Polarity allows water to form hydrogen bonds and dissolve many substances