Comprehension Check 5-2

What percent of your body is water? 65%.
What percent of your body is water? 65%.

How much water does your body need to take in each day? 2 1/2 quarts, or 10 cups.
How much water does your body need to take in each day? 2 1/2 quarts, or 10 cups.

What happens to your body if you do not replace the water your body loses each day? How does this affect your heart? Your blood gets thicker. As a result, your heart needs to work harder to pump the blood.
What happens to your body if you do not replace the water your body loses each day? How does this affect your heart? Your blood gets thicker. As a result, your heart needs to work harder to pump the blood.

What is matter? Matter is anything in the world that takes up space, and has a weight.
What is matter? Matter is anything in the world that takes up space, and has a weight.

What is a molecule? A molecule is the smallest piece of something which has the same properties of that thing.
What is a molecule? A molecule is the smallest piece of something which has the same properties of that thing.

What are the particles that make up a molecule called? Molecules are made up of atoms.
What are the particles that make up a molecule called? Molecules are made up of atoms.

What happens to molecules of water during photosynthesis? It's split by the energy of the sunlight glowing on to the leaves of a plant. The plant then can use the hydrogen to make sugar to eat by combining it with the carbon dioxide from the air.
What happens to molecules of water during photosynthesis? It's split by the energy of the sunlight glowing on to the leaves of a plant. The plant then can use the hydrogen to make sugar to eat by combining it with the carbon dioxide from the air.

What happens to atoms of hydrogen and oxygen when your body uses food? Hydrogen and oxygen is combined to make water molecules; oxygen and carbon is combined to make carbon dioxide molecules. Both are let out in to the air when you breath out.
What happens to atoms of hydrogen and oxygen when your body uses food? Hydrogen and oxygen is combined to make water molecules; oxygen and carbon is combined to make carbon dioxide molecules. Both are let out in to the air when you breath out.