Internal External Stimuli

Jackson is around his friend who is constantly sick. Jackson begins coughing and sneezing the next day at school. What is the possible stimulus and response?

• Internal stimulus is coughing, the response is getting sick

• External stimulus is coughing, the response is getting sick

• Internal stimulus is germs/bacteria, the response is coughing

• External stimulus is germs/bacteria, the response is coughing

You feel hungry so you eat some food.

• external stimulus

• internal stimulus

Tags

NGSS.MS-LS1-8

When faced with a life-threatening situation, some humans respond in a fight or flight response that can be stimulated by an internal or external stimuli. Which of the following demonstrates a fight response from an EXTERNAL stimulus?

• A male approaches a mother with a baby...the mother charges at the male to protect her baby.

• a male bird shows his tailfeathers...the female is attracted to the male

• shorter daylight hours...humans sleep longer.

• warmer weather...humans wear shorts

What type of tropism is shown in the picture

• geotropism

• phototropism

It is a very hot, sunny day so a dog sits in the shade.

• external stimulus

• internal stimulus

Tags

NGSS.MS-LS1-8

a plant growing toward the sun

• internal stimuli

• external stimuli

Tags

NGSS.MS-LS1-5

There is high temperature outside. What type of response can a person's body have to regulate body temperature?

• Wearing a jacket

• Sweating

• Taking an ice bath

• Wearing a visor

Steven sets a brand new plant near the window. After several weeks Steven realizes the flower is starting to tilt towards the sunlight. What would be considered the stimuli in this scenario?

• Water

• The dirt in the flower pot

• The sunlight

• The window

Tags

NGSS.MS-LS1-8

feeling hungry then eating

• internal stimuli

• external stimuli

Tags

NGSS.MS-LS1-8

A person touches a hot stove and quickly pulls their hand away. What is the external stimulus in this scenario?

• The heat from the stove

• The person's hand

• The quick movement

• The pain felt

Tags

NGSS.MS-LS1-8