Kayla has a bird. She feeds the bird at night. She wrote observations of how her bird acted each night.

• Both nights, the lamp was on and the bird was awake. 

• The bird needs to see its food to find it. 

• On Night 1 when there was not a thick cloth over the cage, the bird found and ate its food. 

• On Night 2 when there was a thick cloth over the cage, the bird didn’t find and didn’t eat its food.

What helped the bird find its food on NIGHT 1?

• The cage

• The sound

• The light from the lamp

• The thick cloth

Tags

NGSS.4-PS3-2

NGSS.4-PS4-2

What structures helped the bird to see his food on Night 1? Include as many as you can.

What other sense besides SIGHT could the bird use to find its food on Night 2?

• Smell

• Hear

• Taste

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Based on what we learned about the brain, do you think the bird should or    

         should  not have known where his food was? Use something you learned in class 

        to prove that.

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Many rabbits, like the one shown below, have very long ears, eyes on both sides of their head,

and very strong back legs.

Which of the following best explains why rabbits have long ears?

• to help them find plants to eat

• to protect them from snow

• to notice predator sounds

• to look for a good habitat

Label the fish with its structure and their functions.

a

b

c

d

e

f

tail

mouth

eyes

to eat

to see

to swim

You have an animal that will need to use their senses to take in information from its environment.

Read the sentences below about the sensory process. Number them from 1 to 3, in the order in

which they occur, where 1 = first and 3 = last.

• Senses take in information from the environment.

• The animal responds to the information.

• The brain processes the information.

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NGSS.MS-LS1-8

Scientists are studying two different animals. One animal hunts for prey at night, while the other

hunts for prey during the day. Which of the following claims about how they see light is most

accurate?

• The night hunter has low light receptors while the day hunter has high

  receptors

• The night hunter and the day hunter both have low light receptors.

• The night hunter and the day hunter both have high light receptors.

• The night hunter has high light receptors while the day hunter has low

  receptors.

Catfish are a type of fish usually found in the bottom of muddy waters. They have two very small eyes, whiskers around their mouths, and over 100,000 tiny taste buds that cover their entire bodies that allow them to taste their surroundings. They have forked tails and several fins for moving through the water. Which argument is TRUE and which is FALSE below?

Move them in the correct spot.

• True

• Since the catfish lives in muddy waters, it must rely more on its fins to help it move faster in the water.

• False

• Since the catfish lives in muddy waters, it must rely more on its taste buds to help it taste its surroundings.

• False

• Since the catfish lives in muddy waters, it must rely more on its forked tail to help it move in the water.

Label the eye.

a

b

c

pupil

optic nerve

light receptors