Thermal energy is the energy that comes from ______________

Your heart rate increases when exercising because

When exercising your breathing rate

Why does your skin temperature decrease when exercising?

When you eat, your body uses____________ from food and _____________ from the air to give you energy.

What is the scientific definition of food?

Concentration of oxygen in the air in your room is _________ the concentration of oxygen in the air you exhale

Concentration of carbon dioxide in the air in the room is ___________ the concentration of carbon dioxide in the air you exhale.

Where did the molecules of oxygen go in the burning tortilla chip?

Compare the reactants and products in the chemical reactions that happen when food burns and when the body converts the energy from food.

The indicator for starch

The indicator for Glucose

Carbohydrates are broken into subunits called

Proteins are broken up into subunits

Fats are broken down into subunits

The independent variable

The Dependent Variable

After digestion of a cracker in your mouth you would have mostly

Bar Graphs are best used for

Line Graphs are best used for

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