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Lesson 2: Stimuli
Foundation
Science
SC 22101
What is a Stimulus?
Stimulus  something that causes a response.
Stimulus and Response
Stimulus  hot pan
Response  quickly pull hand away
Draw picture in your notebooks and write the
stimulus and the response. Example
Stimulus
Response
Stimulus and Response
Draw picture in your notebooks and write the
stimulus and the response.
Stimulus  ?
Response  ?
Internal or external stimulus?
Stimulus
Response
External Stimuli
Stimuli that are present outside of the body
are called external stimuli.
What parts of a human body detect external stimuli?
TongueEyes
Skin
NoseEars
Stimulus and Response
Draw picture in your notebooks and write the
stimulus and the response.
Stimulus  ?
Response  ?
Internal or external stimulus?
Stimulus
Response
Stimulus and Response
Draw picture in your notebooks and write the
stimulus and the response.
Stimulus  ?
Response  ?
Internal or external stimulus?
Stimulus
Response
Stimulus and Response
Draw picture in your notebooks and write the
stimulus and the response.
Stimulus  ?
Response  ?
Internal or external stimulus?
Thirsty man looks
for water.
Stimulus and Response
Draw picture in your notebooks and write the
stimulus and the response.
Stimulus  ?
Response  ?
Internal or external stimulus?
Thirsty man looks
for water.
Questions
1. What does response mean?
2. What does the prefix photo mean? What does the suffix
tropic mean?
3. Use the prefix and suffix from question 2 to tell me what
phototropic means. Did we see a picture of a phototropic
plant in class today?

More Related Content

Stimuli lesson 2

  • 2. What is a Stimulus? Stimulus something that causes a response.
  • 3. Stimulus and Response Stimulus hot pan Response quickly pull hand away Draw picture in your notebooks and write the stimulus and the response. Example Stimulus Response
  • 4. Stimulus and Response Draw picture in your notebooks and write the stimulus and the response. Stimulus ? Response ? Internal or external stimulus? Stimulus Response
  • 5. External Stimuli Stimuli that are present outside of the body are called external stimuli. What parts of a human body detect external stimuli? TongueEyes Skin NoseEars
  • 6. Stimulus and Response Draw picture in your notebooks and write the stimulus and the response. Stimulus ? Response ? Internal or external stimulus? Stimulus Response
  • 7. Stimulus and Response Draw picture in your notebooks and write the stimulus and the response. Stimulus ? Response ? Internal or external stimulus? Stimulus Response
  • 8. Stimulus and Response Draw picture in your notebooks and write the stimulus and the response. Stimulus ? Response ? Internal or external stimulus? Thirsty man looks for water.
  • 9. Stimulus and Response Draw picture in your notebooks and write the stimulus and the response. Stimulus ? Response ? Internal or external stimulus? Thirsty man looks for water.
  • 10. Questions 1. What does response mean? 2. What does the prefix photo mean? What does the suffix tropic mean? 3. Use the prefix and suffix from question 2 to tell me what phototropic means. Did we see a picture of a phototropic plant in class today?