Bell Work

BellWork Life In Our Universe

Write your heading on your paperNumber your paper from 1 to 6

Scientists say that all living things do 6 actions List six things that all living things do

(1)(2)(3) (4) (5)(6)

May 6, 2013

8th Grade Science

(A) Divide the class into small groups

Does life exist elsewhere in the universe? (B) Each group decides yes or no and provides a reason to support their group decision

What would such life be like? (In other words what are the requirements for life? (C) Look at the following slides of the diverse examples of life on Earth

Notes

Life In Our Universe

Life that lives on landZebras: Eats plants, breaths air, has 4 legs

Notes Life In Our Universe

Life that lives on land cont.Cobra: Eats rodents, breaths air, no legs, poisonous


Life that lives on land cont.T-Rex: Ate meat, breathed air, 2 legs, big/sharp teeth


Life that lives on land cont.Triceratops: Ate plants, breathed air, 4 legs, 3 horns


Life that lives on land cont.(Plant) Oak Tree: Gets energy from the sun, has chlorophyll, has roots, branches, and leaves


Life that lives on land cont.(Plant) Venus Fly Trap: Gets energy from the sun via photosynthesis but also consume insects to obtain minerals, has chlorophyll, roots and leaves


Life that lives on land (but flies in the air)Eagles: Eats meat, breaths air, flies, 2 legs, has talons


Life that lives on land (but flies in the air)Pterodactyl: Ate meat, breathed air, was able to fly, 2 legs


Life that lives on land (but swims in the water)Crocodile: Eats meat, breaths air, 4 legs, strong tail


Life that lives on land (but swims in the water)Duck Billed Platypus: Eats meat, breaths air, 4 legs, mammal that lays eggs, is a marsupial


Life that lives in waterDeep Ocean Fish: Eats meat, breaths oxygen through gills, lives in the dark under great pressure


Life that lives in water cont.Octopus: Eats meat, breaths oxygen, 8 legs, no skeleton


Life that lives in water cont.Sharks: Eats meat, breaths oxygen through gills, sharp teeth, no skeleton



What do all living things (on Earth) have in common?each group will determine three things that all living things have in common.

Is it logical to assume that life elsewhere in the universe would also have these things in common?Each group determines yes or no and must be prepared to explain their group answer


What are the 6 requirements for life? (according to science)

(1) Use energy (2) Respond to stimuli (3) Regulate its internal structure to maintain a stable condition (4) Reproduce (5) Adapt to their environment (6) Grow



Each group will choose one life form from Earth and list how it displays the 6 characteristicsExample: Tiger

(1)Use energy: Tigers burn calories from the meat they eat in order to move and sustain life functions

(2) Respond to stimuli: 5 senses

(3) Regulate its internal structure to maintain a stable condition: Tigers are warm blooded and regulate their body temperature by panting (like a dog)(



Each group will choose one life form from Earth and list how it displays the 6 characteristicsExample: Tiger

(4) Reproduce: Tigers reproduce sexually

(5) Adapt to their environment: Tigers adapted stripes as camouflage

(6) Grow: Tigers start out as small cubs and grow to be hundreds of pounds in weight.

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