Eyler IBMYP 6th-8th Science

kick off: Using any materials, create a word square for the following – stimulus and response.

1. look into my eyes activity

2. cricket example

3. In groups, determine which stimulus-response reactions are internal and external. Provide students with a transparency and marker, or chart paper to make a T-chart.

Sensitivity is the ability of a living thing to detect changes that take place both outside and inside of its body. These changes are called stimuli and the reactions to them are called responses. Stimuli that start outside the body are called external stimuli. Some important external stimuli are light, heat, water and the presence of other organisms.

4. plant response videos -

• Corn root gravitropism – (positive gravitropism)
  
• Sunflower gravitropism – (negative gravitropism)
  
• cool corn phototropism
  

5. Stimulus / Response Relationship notesheet – Vocabulary terms:

Note: tomorrow outside: observation activity outside – in groups, complete handout Plant observation questions tropisms [ENV, ATL]

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