Unit 2: Thinking Like a Scientist

Theme 3: What is Light?

monitor- to watch or keep track of how something changes

A heart rate monitor can be an essential tool for any workout.

http://heartratemonitorviews.info/Timex%20Zone%20Trainer%20T5G971%20Heart%20Rate%20Monitor%20Watch.jpg

pattern- lines, shapes, or colors that are put together to make a design

A pattern is repeated over and over.

http://lottabruhn.typepad.com/lotta_bruhn_illustration/images/2008/01/18/elephant_pattern.gif

projected- when something appears on another surface

A movie is projected onto a screen at a movie theatre.

http://www.hometheaterexperience.com/__media__/images/2932_green-directi-movie.jpg

beam- a ray of light

A beam of bright light shines from a flashlight.

http://farm5.static.flickr.com/4019/4300618683_77eaf69cfe.jpg

absorption- occurs when an object is able to take in or soak up a liquid

A sponge is a tool used for the absorption of liquid.

http://www.inkycircus.com/jargon/images/sponge.jpg

lens- a piece of glass used to help bring objects into focus

The video camera lens zoomed in to focus on the football players at the game.

http://www.fonearena.com/blog/wp-content/uploads/2009/07/743camera_lens.jpg

function- the purpose of something

In order to function properly, a clock cannot be missing any gears or parts.

http://1.bp.blogspot.com/_jk3MMNa9lfE/SXfYqiBNRNI/AAAAAAAABEc/MJm3L7bfsns/s400/clock+gears.jpg

focus- to make something that is blurry more clear

Sarah tried to focus her camera on the butterfly so that she could get a great picture.

http://chathamcameraclub.com/wp-content/uploads/2007/12/sheri-n-monarch-butterfly-on-clover.jpg

demonstrate- to show how something works

John gave the students a demonstration on tracking hurricanes.

http://www.mapwatch.com/news-blog/images/hurricane-jeanne-track-map.gif

filament- a very fine wire or thread

You can find a filament inside a light bulb.

http://gallery.hd.org/_c/light/light-bulb-glowing-filament-AHD.jpg.html