Science
7th - 8th Grade
NGSS covered
Used 22+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which is an example of positive feedback?
Thermoregulation.
Blood platelets clotting on an open wound.
Osmoregulation.
Release of insulin into the blood.
Tags
NGSS.HS-LS1-3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the 3 parts of a feedback loop? In the correct order.
Reaction, Sensor, and Stimulus
Response, Sensor, and Stimulus.
Sensor, Stimulus, and Reaction.
Stimulus, Sensor, and Response.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are examples of negative feedback?
Thermoregulation
Childbirth
Osmoregulation
PH Regulation
Tags
NGSS.HS-LS1-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What needs to happen for homeostasis to be maintained?
An organism must have a different internal and external environment.
An organism must be able to move to a new environment.
An organism must have a body temp of 98.7 degrees.
Passage of materials across cell membranes must continue at a constant rate.
Tags
NGSS.HS-LS1-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An elephant is walking on the hot African plains. As it does so, its body temperature increases. As it walks, it comes across a small pond.
What should this elephant do to BEST maintain homeostasis?
It should drink the pond water to cool off.
It should keep searching for shade.
It should wave it's ears to create a breeze.
It should jump in the pond to cool off.
Tags
NGSS.MS-LS1-3
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are correct definitions of homeostasis?
A variety of external changes to an organism.
The increase in body temperature when it's cold outside.
The ability of an organism to maintain a constant internal environment.
Steady or balanced internal conditions of an organism.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a homeostatic response when the human body is fighting an infection?
Increased amount of oxygen in the blood.
Increasing heart rate.
Increased amount of plasma cells in the blood.
Increase in body temperature (fever).
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