This page requires a JavaScript-enabled browser.
Chemicals, the Environment, and You
National Institute of Environmental Health Sciences Home
skip navigation Main Getting Started Teacher's Guide Student Activities About NIH and NIEHS
glossary | map | contact 
Lesson 6—Environmental Hazards boy looking through a microscope
The Fieldtrip Howard's Videos Video Interviews Additional Information start of page content movies with descriptive narration
background
background
 

Click on the edited tapes to see what happened at key times during the day. (A new window will be launched.)

 

Howard's videos 9 am video 10 am video 11 am video 12 pm video 1 pm video 3 pm video 4 pm video

video camera

Howard's Videos

 

continue
background
View transcripts for videos
closed caption symbol