David City Elementary

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Grade 4

SIRS Discoverer

Science

Skeletal System

Take a guided tour of the skeletal system and test your knowledge of the skeletal system

Photosynthesis:

Newton's Apple A short explanation of photosynthesis with a video.

Learn about photosynthesis as you learn why leaves change color in the fall.

"Flying Turtle" page on photosynthesis

Photosynthesis from Thinkquest

Magic School Bus Photosynthesis (click the Launch FrizTV button) not from DCAPPS

Moving Model of photosynthesis not from DCAPPS

Natureworks Photosynthesis

Photosynthesis movie from Nova (use davidcity and davidcity to log in) not from DCAPPS

Plate Tectonics: Plates and Continental Drift:
View where there are earthquakes and volcanoes in the world.

Interactive: Dynamic Earth

PaleoMap Project: plate tectonic development of the ocean basins and continents and the changing distribution of land and sea during the past 1100 million years.

All About Plate Tectonics: Earth's Plates and Continental Drift

Language Arts 

Practice writing a business letter