Teacher Site Map
4thGrade Core
USOE Science Home Page

Science Language Students Should Know And Use

Climate - The weather of an area. A desert is a dry climate.

Dinosaur - A group of large, extinct reptiles.

Environment - All of the conditions and surroundings. The fern grew in a warm, wet environment.

Extinct - No longer living. Dinosaurs are extinct.

Extinction - The process of dying out.


Fossil - The hardened remains of a plant or animal from long ago.

Impression - An imprint. Their foot made an impression in the wet soil.

Infer - To make a conclusion from what is known. we can infer that dinosaurs existed because of fossils.

Mineral - Rock or ore.

Organism - Any living thing.

Paleontologist - A person who studies fossil remains.

Prehistoric - Before recorded history. A stegosaurus was a prehistoric animal.

Preserved - Kept from rotting. The fossil was well preserved inside the rock.

Replacement - To take the place of. Minerals made a replacement of the bird's feathers in the fossil.

Sedimentary - Rock formed from material that settles.


Trilobite - A fossil sea animal.

Tropical - A warm, moist region. They went to a tropical island near the equator.

Download the plug-ins: Get Adobe Acrobat Reader , and Get Quicktime Player. (The QuickTime plug-in is needed to play sounds and movies correctly.)

Want to share photos of you or your friends doing this activity? Send it in an e-mail with the following information:

  1. The title of the activity
  2. The URL (Internet address)
  3. Your name.

Remember that no pictures can be used that show student faces or student names on it. 

Teachers should view the Teacher Site Map to relate Sci-ber text and the USOE 4th grade science core.

Updated October 24, 2008 by: Glen Westbroek

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