Matter and Energy Transformations - Construct a scientific model of the carbon cycle to show how matter and energy are continuously transferred within and between organisms and their physical environment.
Matter and Energy Transformations - Describe and investigate the process of photosynthesis, such as the roles of light, carbon dioxide, water and chlorophyll; production of food; release of oxygen.
The Practice of Science - Define a problem from the eighth grade curriculum using appropriate reference materials to support scientific understanding, plan and carry out scientific investigations of various types, such as systematic observations or experiments, identify variables, collect and organize data, interpret data in charts, tables, and graphics, analyze information, make predictions, and defend conclusions.
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Q 1/41
Score 0
What is the relevance of the Laws of Conservation of Mass and Energy when considering food chains?
30
Energy is transferred from one organism to another, but never created or destroyed
Every organism creates its own energy
Prey animals can destroy energy
Only predators conserve energy
Q 2/41
Score 0
Which of the following best demonstrates the Laws of Conservation of Mass and Energy in living systems?
30
A lion roaring
A bird laying an egg
A fish swimming
A tree converting carbon dioxide and sunlight into oxygen and glucose
41 questions
Q.
What is the relevance of the Laws of Conservation of Mass and Energy when considering food chains?
1
30 sec
SC.8.L.18.4
Q.
Which of the following best demonstrates the Laws of Conservation of Mass and Energy in living systems?
2
30 sec
SC.8.L.18.4
Q.
Why is the process of cellular respiration an example of the Laws of Conservation of Mass and Energy?
3
30 sec
SC.8.L.18.4
Q.
How does the process of respiration in animals uphold the Laws of Conservation of Mass and Energy?
4
30 sec
SC.8.L.18.4
Q.
Which of the following is an example demonstrating that living systems follow the Laws of Conservation of Mass and Energy?
5
30 sec
SC.8.L.18.4
Q.
What role does animal respiration play in the carbon cycle?
6
30 sec
SC.8.L.18.3
Q.
In the Carbon cycle, what happens to the carbon that is absorbed by plants and algae during photosynthesis?
7
30 sec
SC.8.L.18.3
Q.
How does decaying organic matter contribute to the carbon cycle?
8
30 sec
SC.8.L.18.3
Q.
Which of the following factors can disrupt the carbon cycle?
9
30 sec
SC.8.L.18.3
Q.
How does the ocean contribute to the carbon cycle?
10
30 sec
SC.8.L.18.3
Q.
How do humans contribute to the carbon cycle?
11
30 sec
SC.8.L.18.3
Q.
What happens to the carbon atoms in the glucose molecules that plants produce during photosynthesis?
12
30 sec
SC.8.L.18.3
Q.
What is the primary source of energy that drives the carbon cycle?
13
30 sec
SC.8.L.18.3
Q.
What role does fire play in the carbon cycle?
14
30 sec
SC.8.L.18.3
Q.
Which of the following displays the transfer of both matter and energy in the carbon cycle?
15
30 sec
SC.8.L.18.3
Q.
What does ATP stand for and what is its role in cellular respiration?
16
30 sec
SC.8.L.18.2
Q.
Which gas is used in cellular respiration and then released as a waste product?
17
30 sec
SC.8.L.18.2
Q.
What substance does cellular respiration in human cells break down to release energy?
18
30 sec
SC.8.L.18.2
Q.
What ingredient is necessary for cellular respiration to occur?
19
30 sec
SC.8.L.18.2
Q.
Where in the cell does cellular respiration primarily take place?
20
30 sec
SC.8.L.18.2
Q.
Why do plants perform cellular respiration?
21
30 sec
SC.8.L.18.2
Q.
Which of the following is not a stage of cellular respiration?
22
30 sec
SC.8.L.18.2
Q.
What is the byproduct of cellular respiration?
23
30 sec
SC.8.L.18.2
Q.
What is the primary energy source that cells use for cellular respiration?
24
30 sec
SC.8.L.18.2
Q.
What process is responsible for breaking down food to provide energy and release carbon dioxide?
25
30 sec
SC.8.L.18.2
Q.
What is the primary function of photosynthesis?
26
30 sec
SC.8.L.18.1
Q.
Why is water necessary for photosynthesis?
27
30 sec
SC.8.L.18.1
Q.
What gas is released by plants as a byproduct of photosynthesis?
28
30 sec
SC.8.L.18.1
Q.
What would likely happen if a green plant did not have access to carbon dioxide?
29
30 sec
SC.8.L.18.1
Q.
What substance in the plant captures light energy from the sun for use in photosynthesis?
30
30 sec
SC.8.L.18.1
Q.
Where does the process of photosynthesis mainly take place in a plant?
31
30 sec
SC.8.L.18.1
Q.
What is produced by the process of photosynthesis?
32
30 sec
SC.8.L.18.1
Q.
What is the role of chlorophyll in photosynthesis?
33
30 sec
SC.8.L.18.1
Q.
Which chemical element is not used in the process of photosynthesis?
34
30 sec
SC.8.L.18.1
Q.
What is the primary role of light in the process of photosynthesis?
35
30 sec
SC.8.L.18.1
Q.
If an organism does not have chlorophyll or it doesn't have access to a light source, how does it get its energy?
36
30 sec
Q.
A fish tank with live aquatic plants is helpful to the fish living there. Why?
37
30 sec
Q.
Why is it important to identify variables before carrying out a scientific experiment?
38
30 sec
SC.8.N.1.1
Q.
What is the main reason to collect and organize data in scientific investigations?
39
30 sec
SC.8.N.1.1
Q.
In a scientific experiment, what is a dependent variable?
40
30 sec
SC.8.N.1.1
Q.
What type of data presentation could be used to interpret data in a scientific investigation?
