When was it?
How they lived
Vocabulary
Fossils
On the job
100
This planet is 4.6 billion years old.
What is Earth?
100
Everything we know about dinosaurs comes from these.
What are fossils?
100
The word _______ is used for a species that is no longer living anywhere on Earth.
What is extinct?
100
Fossils are the remains or evidence of an ancient organism preserved in what material?
What is rock?
100
Scientists put a _________ on each bone to identify it when they get back to the lab.
What is number?
200
This animal was the first known invertebrate.
What is trilobite?
200
This is the word for a dinosaur or other animal that eats meat.
What is carnivore?
200
A dinosaur has a backbone, so it would be called a _______.
What is vertebrate?
200
The fossils of a bony structure of an animal's body are found that were used to give the animal support. What was found?
What is skeleton?
200
A cast made of __________ can be used to protect a fossil.
What is plaster?
300
This animal first arrived on Earth 225 million years ago.
What is dinosaur?
300
Most plant eaters traveled in _________. Staying together in ______________ was a safe way to travel.
What is a herd?
300
If I discover a dinosaur footprint in the mud, I have discovered an ______________________.
What is imprint?
300
Sometimes a bone is a fossil, but an impression or track left in a soft surface can also be fossilized. What is this impression or track called?
What is imprint?
300
This type of scientist studies fossils.
What is paleontologist?
400
This animal was extinct 65 million years ago.
What is dinosaur?
400
This is the word for a characteristic that makes an animal good for living in its environment.
What is adaptation?
400
A scientist discovers a series of dinosaur footprints and measures the distance between them. What is he/she measuring?
What is stride?
400
When a fossil is made, first an animal dies and sinks into the sand or mud. Then its muscles and skin rot away and it turns to rock over millions of years. Then the ________changes and part of the fossils shows, making it possible for the fossil to be discovered.
What is earth?
400
This word is used to describe digging up a fossil.
What is excavate?
500
The first _____________ arrived 3 million years ago.
What is human?
500
Concluding that a dinosaur is a meat eater by observing their sharp teeth and claws is an example of an ________.
What is inference?
500
We can determine a dinosaur's __________ by studying its footprints and stride length.
What is height?
500
The fossil of a ____________ (kind of dinosaur) would be between 165 million and 80 million years old.
What is pteranodon?
500
A paleontologist uses _________ when making a model or drawing that is smaller in size than the actual dinosaur.
What is scale?
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