Gizmo Cell Energy Cycle | Student Exploration: Cell Energy Cycle - All Answers are Correct
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Course
Gizmo
Institution
Gizmo
Student Exploration: Cell Energy Cycle
**FOR THE BEST LAB EXPERIENCE, PLEASE READ THROUGH ALL INSTRUCTIONS AND
FOLLOW THE INSTRUCTIONS GIVEN STEP BY STEP!
Vocabulary: aerobic respiration, anaerobic respiration, ATP, cellular respiration, chemical
energy, chlorophyll, chloroplast, cytoplasm, glu...
Student Exploration: Cell Energy Cycle
**FOR THE BEST LAB EXPERIENCE, PLEASE READ THROUGH ALL INSTRUCTIONS AND
FOLLOW THE INSTRUCTIONS GIVEN STEP BY STEP!
Vocabulary: aerobic respiration, anaerobic respiration, ATP, cellular respiration, chemical
energy, chlorophyll, chloroplast, cytoplasm, glucose, glycolysis, mitochondria, photosynthesis,
radiant energy
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
What does a plant need to survive and grow?
A plant needs sunlight, water, carbon dioxide to perform photosynthesis and be able to
nourish. They also need to be in a land rich in nutrients such as nitrogen and
phosphorus.
What does an animal need to survive and grow?
Animals need food for energy, they must consume plants or other animals. Animals also
need water, oxygen and sunlight.
How do animals and plants depend on each other?
Animals and plants depend on each other because plants give them the oxygen the
animals need to breathe. Plants also provide nutrition because they contain
carbohydrates and proteins that are the animal's food base. Plants also provide many
animal species with a habitat to live in.
The animals on the other hand when they die give the plants nutrients in the land, many
animals take part in the dispersion of seeds of the plants and in the process of
pollination.
Gizmo Warm-up
The Cell Energy Cycle Gizmo™ illustrates two
processes that are essential to life: photosynthesis
and cellular respiration.
Although both of these reactions involve a series of
complex steps, the basic reactants and products in
each process are four relatively simple molecules.
1. What is the chemical formula of oxygen? O2
, 2. Glucose is a simple sugar. What is the chemical
formula of glucose? C6H12o6
3. What is the chemical formula of carbon dioxide? CO2
4. What is the chemical formula of water? H2O
Get the Gizmo ready:
Activity A:
• If necessary, click Reset.
Photosynthesis • Check that the PHOTOSYNTHESIS tab is
selected. Check that Description is turned on.
Introduction: Photosynthesis occurs in the chloroplast, an organelle found in plant and algae
cells. Within the chloroplast, a green pigment called chlorophyll converts the radiant energy of
sunlight into chemical energy that the plant can use.
Question: What are the reactants and products of photosynthesis?
1. Predict: Of the molecules shown on the CHEMICALS pane, which do you think are
reactants (ingredients) in photosynthesis? Which do you think are products?
Reactants:
Products:
2. Explore: Drag each molecule from the CHEMICALS pane to the chloroplast on the
PHOTOSYNTHESIS pane. If a molecule is a reactant, it will stay in the chloroplast.
Which molecules are reactants in photosynthesis?oxygen and glucose, are the reactants
of cellular respiration.
3. Observe: Click Add light and look at the Output. What are the products of photosynthesis?
o2c6h12o6
4. Summarize: A chemical equation shows reactants on the left side of an arrow, and products
on the right, like this: reactant + reactant product + product.
Based on your observations, what is the chemical equation for photosynthesis?
CO2 + H2O + light energy = O2 + C6H12O6
Turn on Show chemical equation to check. Were you correct? yes
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