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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
sound
B
heat
C
movement
D
light
2) Your heart rate increases when exercising because
A
your body needs more blood
B
you need more carbon dioxide
C
your heart keeps you alive
D
your body needs more oxygen
3) When exercising your breathing rate
A
decreases
B
gets harder
C
increases
D
stays the same
4) Why does your skin temperature decrease when exercising?
A
Blood goes to your muscles to provide oxygen for energy
B
neither answer
C
You use heat from skin
D
both answers
5) When you eat, your body uses____________ from food and _____________ from the air to give you energy.
A
molecules, carbon dioxide
B
molecules, oxygen
C
food, oxygen
D
glucose, carbon dioxide
6) What is the scientific definition of food?
A
substance that provides the body with building materials
B
substance that provides the body with energy
C
substance that provides the body with energy and building materials
D
Pizza, tacos, cheeseburgers, etc.
7) Concentration of oxygen in the air in your room is _________ the concentration of oxygen in the air you exhale
A
more than
B
less than
C
none of the above
D
the same as
8) Concentration of carbon dioxide in the air in the room is ___________ the concentration of carbon dioxide in the air you exhale.
A
more than
B
none of the above
C
the same as
D
less than
9) Where did the molecules of oxygen go in the burning tortilla chip?
A
The oxygen molecules react with food molecules from the tortilla chip to produce energy
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
I have no idea
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 different reactants and products.
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.
11) The indicator for starch
A
Dark Purple
B
Orange
C
Brown
D
Blue
12) The indicator for Glucose
A
Dark Blue
B
Blue
C
Orange
D
Brown
13) Carbohydrates are broken into subunits called
A
glucose
B
Triglcerides
C
amino acids
D
No idea
14) Proteins are broken up into subunits
A
amino acids
B
No idea
C
triglcerides
D
glucose
15) Fats are broken down into subunits
A
They do not break into subunits
B
Glucose
C
Amino acids
D
Triglcyerides
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
glucose molecules
B
amino acid molecule
C
starch molecules
D
fat molecules
19) Bar Graphs are best used for
A
Comparing data
B
Visualizing the parts of a whole
C
Showing change over time
D
Graphing
20) Line Graphs are best used for
A
Comparing data
B
Graphing
C
Showing change over time
D
Visualizing the parts of a whole
*select an answer for all questions
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