IQWST- How Does Food Provide My Body With Energy Question Preview (ID: 35322)
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Thermal energy is the energy that comes from ______________
a) light
b) heat
c) movement
d) sound
Your heart rate increases when exercising because
a) your body needs more blood
b) your body needs more oxygen
c) your heart keeps you alive
d) you need more carbon dioxide
When exercising your breathing rate
a) gets harder
b) stays the same
c) decreases
d) increases
Why does your skin temperature decrease when exercising?
a) You use heat from skin
b) Blood goes to your muscles to provide oxygen for energy
c) both answers
d) neither answer
When you eat, your body uses____________ from food and _____________ from the air to give you energy.
a) molecules, oxygen
b) food, oxygen
c) glucose, carbon dioxide
d) molecules, carbon dioxide
What is the scientific definition of food?
a) Pizza, tacos, cheeseburgers, etc.
b) substance that provides the body with building materials
c) substance that provides the body with energy
d) substance that provides the body with energy and building materials
Concentration of oxygen in the air in your room is _________ the concentration of oxygen in the air you exhale
a) less than
b) more than
c) the same as
d) none of the above
Concentration of carbon dioxide in the air in the room is ___________ the concentration of carbon dioxide in the air you exhale.
a) less than
b) more than
c) the same as
d) none of the above
Where did the molecules of oxygen go in the burning tortilla chip?
a) I have no idea
b) The oxygen creates food molecules in your body
c) The CO2 molecules rearrange with the food molecules from the tortilla chip to form the products of this chemical reaction.
d) The oxygen molecules react with food molecules from the tortilla chip to produce energy
Compare the reactants and products in the chemical reactions that happen when food burns and when the body converts the energy from food.
a) They have different reactants and products.
b) They only have the same reactants. Food and oxygen react.
c) They have the same reactants and products. Food and oxygen react. Carbon dioxide and Energy is produced.
d) They only have the same products. Carbon dioxide is formed.
The indicator for starch
a) Orange
b) Dark Purple
c) Brown
d) Blue
The indicator for Glucose
a) Blue
b) Orange
c) Brown
d) Dark Blue
Carbohydrates are broken into subunits called
a) Triglcerides
b) amino acids
c) glucose
d) No idea
Proteins are broken up into subunits
a) amino acids
b) glucose
c) triglcerides
d) No idea
Fats are broken down into subunits
a) Triglcyerides
b) Glucose
c) Amino acids
d) They do not break into subunits
The independent variable
a) Y-Axis
b) X-Axis
c)
d)
The Dependent Variable
a) Y-Axis
b) X-Axis
c)
d)
After digestion of a cracker in your mouth you would have mostly
a) amino acid molecule
b) starch molecules
c) glucose molecules
d) fat molecules
Bar Graphs are best used for
a) Showing change over time
b) Comparing data
c) Visualizing the parts of a whole
d) Graphing
Line Graphs are best used for
a) Showing change over time
b) Comparing data
c) Visualizing the parts of a whole
d) Graphing
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