American Educational Fossils, Uncovering Clues To The Past DVD; Run time: 20 min.; 6-12 Grade Linear ICs (2 ea) 555

Linear ICs (2 ea) 555

Waveforms: sine

Bandwidth: 20 MHz

Stretchy rubber treads

and automotive applications

American Educational Fossils, Uncovering Clues To The Past DVD; Run time: 20 min.; 6-12 Grade Linear ICs (2 ea) 555This DVD uncovers the clues fossils reveal about Earth's last 600 million years of life from the simplest organisms that colonized the oceans to the complex mammals that exist today. Live action footage, coupled with the test ideas about ecology, bring to life the major lifeforms that thrived during the Paleozoic, Mesozoic, and Cenozoic geologic eras. Teacher's Guide and glossary are included. 20 minutes. This DVD uncovers the clues fossils reveal