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IQWST- How Does Food Provide My Body With Energy
Test Description: IQWST and Science
Instructions: Answer all questions to get your test result.
1) Thermal energy is the energy that comes from ______________
A
heat
B
movement
C
light
D
sound
2) Your heart rate increases when exercising because
A
your body needs more blood
B
you need more carbon dioxide
C
your body needs more oxygen
D
your heart keeps you alive
3) When exercising your breathing rate
A
increases
B
gets harder
C
stays the same
D
decreases
4) Why does your skin temperature decrease when exercising?
A
You use heat from skin
B
neither answer
C
both answers
D
Blood goes to your muscles to provide oxygen for energy
5) When you eat, your body uses____________ from food and _____________ from the air to give you energy.
A
food, oxygen
B
glucose, carbon dioxide
C
molecules, carbon dioxide
D
molecules, oxygen
6) 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
7) Concentration of oxygen in the air in your room is _________ the concentration of oxygen in the air you exhale
A
none of the above
B
less than
C
the same as
D
more than
8) Concentration of carbon dioxide in the air in the room is ___________ the concentration of carbon dioxide in the air you exhale.
A
none of the above
B
the same as
C
less than
D
more than
9) 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
10) 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 only have the same reactants. Food and oxygen react.
B
They have the same reactants and products. Food and oxygen react. Carbon dioxide and Energy is produced.
C
They only have the same products. Carbon dioxide is formed.
D
They have different reactants and products.
11) The indicator for starch
A
Brown
B
Blue
C
Orange
D
Dark Purple
12) The indicator for Glucose
A
Dark Blue
B
Brown
C
Orange
D
Blue
13) Carbohydrates are broken into subunits called
A
No idea
B
glucose
C
amino acids
D
Triglcerides
14) Proteins are broken up into subunits
A
triglcerides
B
No idea
C
glucose
D
amino acids
15) Fats are broken down into subunits
A
Amino acids
B
Glucose
C
Triglcyerides
D
They do not break into subunits
16) The independent variable
A
Y-Axis
B
X-Axis
17) The Dependent Variable
A
X-Axis
B
Y-Axis
18) After digestion of a cracker in your mouth you would have mostly
A
amino acid molecule
B
fat molecules
C
glucose molecules
D
starch molecules
19) Bar Graphs are best used for
A
Graphing
B
Visualizing the parts of a whole
C
Comparing data
D
Showing change over time
20) Line Graphs are best used for
A
Comparing data
B
Visualizing the parts of a whole
C
Showing change over time
D
Graphing
*select an answer for all questions
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