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FOSS AND CALIFORNIA STANDARDS
The Matter and Energy Module supports the following Physical
Sciences and Investigation and Experimentation Content Standards
for grade 3.*
PHYSICAL SCIENCES
PS1. Energy and matter have multiple forms and can be changed
from one form to another.
As a basis for understanding this concept, students know
PS1a. energy comes from the Sun to Earth in the form of light.
PS1b. sources of stored energy take many forms, such as food,
fuel, and batteries.
PS1c. machines and living things convert stored energy to
motion and heat.
PS1d. energy can be carried from one place to another by
waves, such as water waves and sound waves, by
electric current, and by moving objects.
PS1e. matter has three forms: solid, liquid, and gas.
PS1f. evaporation and melting are changes that occur when
the objects are heated.
PS1g. that when two or more substances are combined, a
new substance may be formed with properties that are
different from those of the original materials.
PS1h. all matter is made of small particles called atoms, too
small to see with the naked eye.
PS1i. people once thought that earth, wind, fire, and water
were the basic elements that made up all matter. Science
experiments show that there are more than 100 different
types of atoms, which are presented on the periodic table
of the elements.
PS2. Light has a source and travels in a direction.
As a basis for understanding this concept, students know
PS2a. sunlight can be blocked to create shadows.
PS2b. light is reflected from mirrors and other surfaces.
PS2c. the color of light striking an object affects the way the
object is seen.
PS2d. an object is seen when light traveling from the object
enters the eye.
*Science Content Standards for California Public Schools: Kindergarten
through Grade Twelve (Sacramento: California Department of
Education, 2000).
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