Feedback Loops

What type of feedback loop is shown?

• negative

• neutral 

• positive

Tags

NGSS.HS-LS1-3

Sweating when exercising or hot outside

• Negative Feedback Loop

• Positive Feedback Loop

Tags

NGSS.HS-LS1-3

Negative Feedback Loops:

• amplify processes

• prevent small changes from getting larger

• are initiated during childbirth

• are found only in plants

Tags

NGSS.HS-LS1-3

Maintaining body temperature is an example of a:

• negative feedback loop

• positive feedback loop

Tags

NGSS.HS-LS1-3

In a positive feedback loop, each action creates a consequence that _____________________ the other action.

• decreases

• has no effect on

• amplifies

Tags

NGSS.HS-LS1-3

In a negative feedback loop, each action creates a consequence that _____________________ the other action.

• decreases

• has no effect on

• amplifies

Tags

NGSS.HS-LS1-3

A ________________ feedback loop makes a system more stable.

• Positive

• Neutral

• Negative

• Circular

Tags

NGSS.HS-LS1-3

A _________________ feedback loop moves a system to an extreme.

• Positive

• Neutral

• Circular

• Negative

Tags

NGSS.HS-LS1-3

A thermostat in a central heating system can determine the temperature of your living room. It switches the air conditioner on when the temperature increases to a predetermined level and shuts it off when it cools to another level. The room temperature remains within a comfortable level regardless of the temperature outside.

• Positive Feedback Loop

• Negative Feedback Loop

Tags

NGSS.HS-LS1-3

In some developing countries poverty causes illness and contributes to poor standards of education. In the absence of knowledge of family planning methods and hygiene, this contributes to population growth and illness, adding further to the causes of poverty; “a vicious circle of poverty.”

• Positive Feedback Loop

• Negative Feedback Loop