Magnification & Lab Drawing Rules 7 th Grade Life Science.

Magnification Magnification & &

Lab Drawing Lab Drawing RulesRules

77thth Grade Life Science Grade Life Science

What does a convex lens What does a convex lens do to light?do to light?

IMAGE NAME: IMAGE NAME: SHARK SKINSHARK SKIN

Each tooth is called a Each tooth is called a denticledenticle, , and they help a shark reduce and they help a shark reduce

drag while swimming. drag while swimming.

Label one Label one denticle denticle on your on your drawing.drawing.

Eyepiece Magnification Eyepiece Magnification = 10X= 10X

Objective Lens Magnification = Objective Lens Magnification = 15 15 XX

TOTAL MAGNIFICATION = 150X

IMAGE NAME: IMAGE NAME: SEA WATERSEA WATER

Diatoms are microorganisms Diatoms are microorganisms found in seawater. If you found in seawater. If you

have ever swallowed have ever swallowed seawater, you have eaten seawater, you have eaten

them! them!

Draw and label one Draw and label one diatom diatom ..

Eyepiece Magnification = Eyepiece Magnification = 10X10X

Objective Lens Magnification Objective Lens Magnification = = 100 100 XX

TOTAL MAGNIFICATION = 1000X

IMAGE NAME: IMAGE NAME: TICK MOUTHPARTSTICK MOUTHPARTS

The part of a tick’s mouth that The part of a tick’s mouth that is used to stab prey is called a is used to stab prey is called a

hypostome.hypostome.

Draw and label one Draw and label one hypostomehypostome..

Eyepiece Magnification Eyepiece Magnification = 10X= 10X

Objective Lens Magnification = Objective Lens Magnification = 20 20 XX

TOTAL MAGNIFICATION = 200X

IMAGE NAME: IMAGE NAME: SNOWFLAKESNOWFLAKE

No two snowflakes are exactly alike. No two snowflakes are exactly alike. Snowflakes may look the same but Snowflakes may look the same but will not have the same number of will not have the same number of

water molecules or the exact amount water molecules or the exact amount of oxygen and hydrogen.of oxygen and hydrogen. Snowflakes Snowflakes are classified by their crystal shape.are classified by their crystal shape.

Draw and label the Draw and label the double double plates crystals.plates crystals.

Eyepiece Magnification = Eyepiece Magnification = 10X10X

Objective Lens Magnification Objective Lens Magnification = = 50 50 XX

TOTAL MAGNIFICATION = 500X

Making a Video with a Making a Video with a MicroscopeMicroscope

A boy and his atom:A boy and his atom:

IBM created the world’s smallest movie by IBM created the world’s smallest movie by making a video using just 12 atomsmaking a video using just 12 atoms

Check out the video and the behind the Check out the video and the behind the scenes research at: scenes research at: http://www.research.ibm.com/articles/madewithatoms.shtml#fbid=-5yjPsqavjY