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3D Topo Views	View PDF
This modeling activity can be used to teach topographic map-reading skills. Students draw a fictitious topographic map, and then transfer the map to stacking lids, producing a great 3-dimensional effect.	Rate this Idea

Absorbing the Rays	View PDF	\| View Video
Using UV beads as detectors, the ability of sunglasses to protect the eyes from UV radiation from the Sun is tested.	Rate this Idea

Air Pressure - Feel it!	View PDF
Let your students experience air pressure in a new way with this easily made device that will add a pressure equal to one atmosphere to a square centimeter of skin.	Rate this Idea

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Air under Pressure	View PDF
Explore a compressed gas and a partial vacuum with this air pressure demonstrator.	Rate this Idea

Air - a Pressing Matter	View PDF
Students are in for a surprise when they attempt to lift a mat that is held in place by only the air that is pressing down from above	Rate this Idea

As the Clouds go Bye	View PDF	\| View Video
Make a cloud "mirror" and use to do small scale observations of the clouds and sky.	Rate this Idea

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Baby, It's Cold Outside	View PDF
This diorama helps students visualize life and ecology in an arctic environment.	Rate this Idea

Ball-oon Moon	View PDF
Students use balloons to approximate the relative sizes of the Earth and the Moon and estimate the relative distance between them using the scale of the inflated balloons.	Rate this Idea

Balloon in a Bottle	View PDF	\| View Video
This neat trick is easy to do and serves as a great introduction to a discussion about air pressure.	Rate this Idea

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Ballooning Universe	View PDF
The idea of an expanding universe can be seen with dots on an expanding balloon.	Rate this Idea

Be Prepared	View PDF
Evaluate potential natural hazards and develop plans to address the dangers.	Rate this Idea

Beads of Knowledge	View PDF
Students gather a bead at each station in this activity that works particularly well with a field trip or special event where you want students to participate in a variety of learning activities.	Rate this Idea

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Binder Cover Solar Collector	View PDF
Explore heating with sunlight using an easy to make and store solar collector.	Rate this Idea

Black Box	View PDF
Students shake, rattle, and roll these "Black Boxes" to try to determine the insides... but no peeking. Ever!!	Rate this Idea

California Geographic Assembly	View PDF
Use transparent layers to diagram and represent different map details of California.	Rate this Idea

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Catching the Wind	View PDF
Learn how an anemometer works and use one to make wind speed measurements.	Rate this Idea

Clipboard Book	View PDF
Fill the pages of this clipboard journal with thoughts, drawings, poems, plant rubbings, and observations from day or overnight journeys to the great outdoors.	Rate this Idea

Closest Stars	View PDF
Students create a 3-dimensional representation of the closest stars in this activity that demonstrates the scale and structure of space and our Milky Way galaxy.	Rate this Idea

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Compass in a Tub	View PDF	\| View Video
Corral a compass rose and allow a needle to rotate smoothly by using marbles!	Rate this Idea

Convection in a Tub	View PDF
Convection is a method of energy transfer that occurs in fluids. In this activity, students observe convection in a pearly-soap medium in order to observe the formation of convection cells. These types of cells can also be observed on the surface of the sun and in many contexts here on Earth.	Rate this Idea

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