03:27

Grand Teton & Yellowstone

09:28

Hundreds Magic: Building from Arithmetic to Algebra

02:31

Crater Lake, Lassen County, California

03:03

PCT section hike from Tehachapi to Walker Pass

01:56

Gateway Arch

03:09

Lily Pond Trail in Winter

01:07

Composite Vocanic Eruption

06:09

EAI Tangram

02:51

7 Tips for Maximizing Math Instruction: Administrators Version Trailer

03:11

Lily Pond Trail in the Winter

04:16

Volcanic Steam Eruption

09:18

Volcano Identification

01:25

Chaos Crags

07:28

Spatter Cones Trail

04:33

Lily Pond Trail

00:30

Hovercraft

01:02

Lattice Math Trailer

01:09

Area Multiplication Trailer

04:11

Menu Math Expressions

04:10

Exploring Patterns 1

10:49

Ringing Chimes and Telephone Lines 2

08:50

Seeing Temperature

07:22

Cone Zone

16:01

Snowflake Geometry

05:15

Drops on a Penny

07:39

Expansion and Contraction

08:56

Making a Thermometer

06:49

Paper Clips and Water

07:10

Ice Cube Race

05:03

Milk and Food Coloring Lab

03:26

Floating a Paper Clip

11:50

Solids, Liquids, & Gases

05:53

Salt and Ice

04:59

Butter Melt Down

09:32

Color Chromatography

03:43

Radiation

04:09

Hydrogen Peroxide & Yeast

07:01

Convection Demonstrations

09:58

Cabbage Juice Indicator

04:44

Flower Rub Acids and Bases Lab

10:51

Isolation of Reactions

05:26

Float Your Boat

06:15

Newton's Cradle

11:06

Catapults

05:17

Cartesian Diver

10:42

Steganography: the Science of Invisible Ink

02:50

Capillary Action

11:22

Paper Airplane Science

11:15

Electric Dough

08:28

Easy Experiments with Water

13:47

Paper Airplane Science

27:15

A Very Long Walk

10:44

Tricky Temperatures

10:49

Ringing Chimes and Telephone Lines 1

02:38

Four Square Addition

01:39

Quiz Card instructions movie

01:50

Volcanoes Map Movie

01:05

Volcanoes Rock Movie

01:48

Menu Math Distribution movie

06:45

Function Tables & Graphs