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Earth Science
60 products
Grow a marvelous crystal garden with these fast-growing crystals. The centers of four flower cards bloom into delicate crystal structures in just a few hours. You can practically see the crystals form before your eyes on the branches of filter-paper trees. Learn about how and why crystals form, and experiment with different colored flowers.
6 commonly known sedimentary rocks. Sedimentary rocks are formed from preexisting rocks through the processes of erosion, followed by compaction or chemical precipitation. Each generous specimen is 1 1/4" to 1 1/5" and is contained in a resealable zip lock bag with a label. Grades 5-12. Ages 10-18.
6 commonly known sedimentary rocks. Sedimentary rocks are formed from preexisting rocks through the processes of erosion, followed by compaction or chemical precipitation. Each generous specimen is 1 1/4" to 1 1/5" and is contained in a resealable zip lock bag with a label. Grades 5-12. Ages 10-18.
An economy collection of 6 commonly known igneous rocks. Igneous rocks are formed by the cooling of molten rock, either magma or lava. Each generous specimen is 1 1/4" to 1 1/5" and is contained in a resealable zip lock bag with a label. Grades 5-12. Ages 10-18.
This concise introduction to the life of the past as revealed through fossils, is an invaluable and enjoyable guide which includes:
• Descriptions of the typical plants and animals of major geological eras
• Maps showing where fossils can be found
• The history of the development of life on earth
• Full-color illustrations
Life of the past as revealed through fossils. 481 illustrations.
For use with Fossil Chart 16785.
Main menu
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- ANSI Class 2 Products (22)
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- Aluminum Traffic Signs (Regular) (81)
- Aluminum Traffic Signs (Reflective) (75)
- Cone Top Sign Holder & Street Sign Sets (4)
- Crosswalk Signs (12)
- Floor & Sidewalk Signs (64)
- Impact Recovery System Signs (6)
- Maintenance Signs (6)
- Paddle & Wand Signs (11)
- Reversible Signs (21)
- School Bus Safety Signs (23)
- Sign Posts & Bases (9)
- Snap-On Cone Signs (28)
- Steel Sign Holder (1)
- Stop Signs (27)
- Vinyl Cone Sign Kits (19)
- Wet Floor Signs & Cones (4)
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- Astronomy (11)
- Biology (33)
- Books (19)
- Botany (8)
- Bunsen Burners (10)
- Chemistry (101)
- Dissecting Kits & Specimens (30)
- DVDs (50)
- Earth Science (60)
- Electricity (64)
- Glassware / Plasticware (47)
- K'Nex Technology Kits (0)
- Lab Equipment (18)
- Lab Stands & Accessories (18)
- Lab Tools (33)
- Lab Trays & Test Tube Racks (15)
- Life Science (36)
- Light & Color (42)
- Microscopes (15)
- Magnetism (39)
- Magnifiers (15)
- Physics (47)
- Porcelain (6)
- Robotics (28)
- Science Fair (4)
- Sound & Waves (7)
- STEM (26)
- Thames & Kosmos Science Kits (24)
- Thermometers (11)
- Weather & Climate (16)