4th Grade Science - Our Changing Earth


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Changing Earth - The Earth is always changing.  These changes are caused by many different things.    

5a,b,c 1.  Things that slowly change the Earth
5a 2.  Things that quickly change the Earth
4b 3.  What kind of mineral is that?
4a 4.  How are rocks made?


Earth Sciences

  1. The properties of rocks and minerals reflect the processes that formed them. As a basis for understanding this concept:
    1. Students know how to differentiate among igneous, sedimentary, and metamorphic rocks by referring to their properties and methods of formation (the rock cycle).
    2. Students know how to identify common rock-forming minerals (including quartz, calcite, feldspar, mica, and hornblende) and ore minerals by using a table of diagnostic properties.

  2. Waves, wind, water, and ice shape and reshape Earth's land surface. As a basis for understanding this concept:
    1. Students know some changes in the earth are due to slow processes, such as erosion, and some changes are due to rapid processes, such as landslides, volcanic eruptions, and earthquakes.
    2. Students know natural processes, including freezing and thawing and the growth of roots, cause rocks to break down into smaller pieces.
    3. Students know moving water erodes landforms, reshaping the land by taking it away from some places and depositing it as pebbles, sand, silt, and mud in other places (weathering, transport, and deposition).


Week Of Standard  Lesson Pages
12/4   5a,b,c  Changes to Earth’s Surface (slow changes) p. B6-B11
12/11   5a  Mountains, Volcanoes, Earthquakes (fast changes) p. B14-B19
12/18   4b  Minerals  (MOHS) p. B36-B39

Winter Break

1/8   4a  Types of Rocks (Mystery of the Floating Rock) p. B42-B47



Rocks & Soils elementary links

Virtual Volcano

Virtual Earthquake



San Deigo Museum - Gems and Minerals


BrainPop Glaciers

BrainPop Rock Cycle

BBC Rocks and Soils

Mineralogy for Kids

Knowledge Nuggets Online Quiz

Rocks For Kids

What Rocks & Minerals Are In A Bike?

Rocks & Minerals

Mystery of the Golden Cube

Mystery of the Floating Rock

California Earthquakes

Faults of Southern California






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