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WorksheetsGrade 3 TCI Science - Unit 1 Lessons 1-6 Content
Total questions: 68
Worksheet time: 34mins
Bacteria
A group of living things of the same kind.
Animals of the same kind that live in a group to meet their needs.
A type of tiny organism that cannot be seen without a microscope.
A useful material that comes from the environment.
Prey
An animal that is hunted and eaten.
All living and nonliving things that surround an organism.
Any living thing.
A type of environment that gets a very large amount of rain.
Environment
A group of living things of the same kind.
A type of environment that gets a very large amount of rain.
A useful material that comes from the environment.
All living and nonliving things that surround an organism.
Social Animals
Any living thing.
Animals of the same kind that live in a group to meet their needs.
A group of living things of the same kind.
An animal that is hunted and eaten.
Organism
Animals of the same kind that live in a group to meet their needs.
A group of living things of the same kind.
A type of tiny organism that cannot be seen without a microscope.
Any living thing.
Natural Resource
A useful material that comes from the environment.
A type of environment that gets a very large amount of rain.
A type of tiny organism that cannot be seen without a microscope.
All living and nonliving things that surround an organism.
Rainforest
Animals of the same kind that live in a group to meet their needs.
A useful material that comes from the environment.
A type of environment that gets a very large amount of rain.
A type of tiny organism that cannot be seen without a microscope.
Species
All living and nonliving things that surround an organism.
Animals of the same kind that live in a group to meet their needs.
A group of living things of the same kind.
An animal that is hunted and eaten.
What is an example of an organism that is NOT a plant or animal?
oak tree
parrot
mushroom
squirrel
True or false?
Fish depend on coral for food.
True
False
True or false?
Coral needs sunlight.
True
False
True or False?
Rock wearing away (The Grand Canyon) is an example of a FAST environmental change.
True
False
True or False?
Earthquakes are an example of a SLOW environmental change.
True
False
True or False?
Floods are an example of a SLOW environmental change.
True
False
True or False?
Volcanoes are an example of a fast environmental change.
True
False
True or False?
Plants only depend on only the nonliving things like soil, and water to survive.
True
False
True or False?
An organism must meet its needs in its environment to survive.
True
False
True or False?
Animals depend on only the living parts of their environment.
True
False
Are LIONS social animals?
Do they work together in a group?
Yes
No
Are SHARKS social animals?
Do they work together in a group?
Yes
No
Are KILLER WHALES social animals?
Do they work together in a group?
Yes
No
Are ELEPHANTS social animals?
Do they work together in a group?
Yes
No
True or False?
Leopards hunt alone so they can sneak up on their prey.
True
False
True or False?
A landslide is an example of a FAST environmental change.
True
False
True or False?
Engineers can build a dam across a river to prevent floods.
True
False
True or False?
Engineers can design and build artificial coral reef.
True
False
What is a behavior?
all of the organisms of a species
an action that an organism does
a group of organisms that live together
the place where organisms and plants live
What might happen to a bird in an environment who's trees are cut down?
SELECT 3 ANSWERS
The bird will lose its home.
The bird will change colors.
The bird may lose its food.
The bird can die.
How has the snake in this picture adapted for survival in this environment?
the length of its tail
the size of its mouth
the color of its eyes
the color of its skin
This bird lives near a lot of homes, stores, and humans. It wasn't able to find enough sticks and grass to build its nest. How has this bird learned to live near humans?
It is eating small insects to survive.
It is using trash left behind to build its home.
It is moving to a new environment.
It is changing its color to blend in better.
When an organisms habitat is destroyed, what may happen to that organisms?
It could die.
It will change its diet.
It will grow another body part.
It could change color to camouflage.
Look at this moth. When it spreads its wings, it looks like the bark on the tree. How can this help the moth survive in its environment?
It can find more to eat.
It can live in trees or in the water.
It can hide better from predators.
It can fly faster.
This bear eats salmon from the river. Recently, humans built a dam that stopped as many salmon from swimming down the river. How might this bear deal with this change?
SELECT 2 ANSWERS
It can move to another area with more salmon.
It could change what it eats.
It could turn its fur black.
It could build a home to survive.
Which image is an example of camouflage?
Which image is an example of a behavior?
TRUE or FALSE: Organisms can never move to new environments when their old environments change?
TRUE
FALSE
The Apatosaurus is an extinct species. This means that __________.
A. there are very few members of this species left.
B. there are no living members of this species.
C. the only members of this species live in zoos.
D. this species has been living on Earth for a very long time.
Which part of an organism is most likely to become a fossil?
A. Leaf
B. Fur
C. Skin
D. Tooth
What can these fossils tell you about the dinosaurs past?
A. what the dinosaur ate
B. how the dinosaur moved
C. how many teeth the dinosaur had
Find a Cast Fossil.
Select 2 ANSWERS
An insect is trapped in amber is an example of a __________ fossil.
A. Mold
B. Cast
C. Trace
D. Whole Body
Which of the following is a Trace Fossil?
SELECT 2 ANSWERS
_________ are most likely to form fossils.
A. Dead organisms
B. Organisms with hard parts
C. Swimming organisms
D. Organisms with only soft parts
What can scientists figure out by studying dinosaur fossils?
A. Behavior of dinosaurs.
B. Smell of dinosaurs.
C. Personality of dinosaurs.
D. All of the above
When an insect gets stuck inside of resin and that hardens into amber, it becomes a
A. Trace fossil
B. Cast fossil
C. Whole body fossil
D. Mold fossil
Which of these is most likely to form a fossil?
A. rain forest slug
B. horseshoe crab
C. sea anemone
D. swallowtail butterfly
This dinosaur most likely lived in a group.
A. True
B. False
What have some scientists inferred from fossils about how dinosaurs suddenly went extinct?
A. a huge rock from space crashed into Earth
B. a large volcano erupted
C. the dinosaurs became poorly adapted to their environment
D. all of the above
A scientist found this coral fossil on a mountaintop. How did it most likely get there?
A. the coral washed up on the land
B. a tornado pulled the coral out of the water and it landed there
C. an animal took the coral and buried it far away
D. an ocean environment changed into a dry environment over time
If scientists find many fossils of plant-eating dinosaurs in an area, what might they infer about that area?
A. the area was an ocean in the past
B. the area was a desert in the past
C. the area was a grassland in the past
D. the area was a wetland in the past
True or False. Most dinosaurs were adapted for warmer desert environments
A. True
B. False
If an area has a large number of fossil footprints, a scientist can infer that these dinosaurs
A. traveled alone
B. lived in the wetlands
C. traveled in groups
D. were meat eaters
True of False. Fossils of organisms can show what environments were like long ago
A. True
B. False
True or False. Environments do not change a lot over a very long period of time.
A. False
B. True
What does this fossil tell you about its environment long ago?
A. its environment was a wetland
B. its environment was a desert
C. its environment was an ocean or river
D. its environment was a plain
This wooly mammoth most likely lived in a warmer environment.
A. True
B. False
This dinosaur is mostly like
A. a swan
B. a cow
C. an alligator
This dinosaur mostly ate
A. meat
B. plants
C. vegetables
D. fruit
A dinosaur with long, strong legs that ran after prey mostly lived in
A. the wetlands
B. the desert
C. the ocean
Infer means
A. the use evidence to draw a conclusion
B. to draw a picture
C. to answer a question
D. the discuss a topic with others
Adaptation
When a species has no more living members
The remaining pieces or trace of an organism that lived long ago
A behavior or body part that helps an organism survive and reproduce in its environment
Low, soggy areas where land and water meet
Behavior
The remaining pieces or trace of an organism that lived long ago
When a species is in danger of going extinct
To make more of the same kind of organism
An action that an organism does
Reproduce
Low, soggy areas where land and water meet
To make more of the same kind of organism
A behavior or body part that helps an organism survive and reproduce in its environment
When a species has no more living members
Endangered
When a species has no more living members
Low, soggy areas where land and water meet
An action that an organism does
When a species is in danger of going extinct
Extinct
An action that an organism does
Use evidence to draw a conclusion
When a species is in danger of going extinct
When a species has no more living members
Fossil
A behavior or body part that helps an organism survive and reproduce in its environment
The remaining pieces or trace of an organism that lived long ago
When a species has no more living members
Low, soggy areas where land and water meet
Infer
Use evidence to draw a conclusion
When a species is in danger of going extinct
An action that an organism does
Low, soggy areas where land and water meet
Wetlands
To make more of the same kind of organism
Low, soggy areas where land and water meet
The remaining pieces or trace of an organism that lived long ago
An action that an organism does
