Science 2 | Chapter 7 And Unit B Review: Question Preview (ID: 24879)

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Which dinosaur had three horns on its head?
a) Triceratops
b) Tyrannosaurus rex
c) Compsognathus
d) Dilophosaurus

A dinosaur had a small head, small mouth, and flat teeth. What did this plant eat?
a) Plants
b) Fish
c) Birds
d) Bugs

A dinosaur had a big mouth and sharp teeth. What did this plant eat?
a) Meat
b) Bugs
c) Grass
d) Flowers

What do you call animals that lived long ago and are now extinct?
a) dinosaurs
b) extinct
c) ancient
d) endangered

What do you call a plant or animal that no longer lives on Earth?
a) extinct
b) ancient
c) endangered
d) dinosaur

When a fossil of a lizard is formed, what happens after the lizard dies?
a) The lizard is covered by sand and mud
b) The sand and mud become rock
c) The lizard becomes frozen
d) Lava hardens into the shape of a lizard

What do you call scientists who study fossils?
a) Paleontologists
b) Pathologist
c) Archeologist
d) Meteorologist

What is a print or remains of a plant or animal that lived long ago?
a) fossil
b) rock
c) dinosaur
d) bones

What does an Archaeopteryx look like?
a) Birds
b) Lizards
c) Aligators
d) Dogs

Which of the following is an extinct plant that looks like a tree?
a) Archaeopteris
b) Iguanodon
c) Compsognathus
d) Dilophosaurus

What natural resource do people drink and use to clean and cook?
a) water
b) air
c) plants
d) minerals

What can people do to help the animals that lived where the homes in the picture were built?
a) make a refuge
b) cut down trees
c) build more houses
d) recycle bottles and cans

What are all rocks made of?
a) minerals
b) sand
c) water
d) plants

What kinds of things are added to land, water, and air when pollution happens?
a) harmful
b) helpful
c) recylced
d) beautiful

Long ago a leaf fell to the bottom of a lake. Mud and sand covered the leaf. The mud and sand changed into rock after many years. What did the leaf become?
a) a fossil
b) extinct
c) a dinosaur
d) a paleontologist

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