1. Waves, Lenses, Microscopes Science Skills – Part 1 Safety & Mag

2. Wave interference. Wave interference.

3. Ripple tank simulator. http://www.falstad.com/ripple/ Identify some properties of waves, include reflection, interference and diffraction (refraction?).

4. Lens: A transparent optical device used to converge or diverge transmitted light. Lens: A transparent optical device used to converge or diverge transmitted light.

5. Which lens is diverging light?

6. Lens: A transparent optical device used to converge or diverge transmitted light. Lens: A transparent optical device used to converge or diverge transmitted light. Diverging Light

7. Lens: A transparent optical device used to converge or diverge transmitted light. Lens: A transparent optical device used to converge or diverge transmitted light. Diverging Light

8. Lens: A transparent optical device used to converge or diverge transmitted light. Lens: A transparent optical device used to converge or diverge transmitted light. Converging light

9. Lens: A transparent optical device used to converge or diverge transmitted light. Lens: A transparent optical device used to converge or diverge transmitted light. Converging light

10. Please sketch the following. – Please use a straight edge. – Complete diagrams of both from the videos.

11. Video Link! Concave and Convex Lens – http://www.youtube.com/watch?v=DPvvjjnKs4k&feat ure=results_main&playnext=1&list=PL64DF1909345AF 984 http://www.youtube.com/watch?v=DPvvjjnKs4k&feat ure=results_main&playnext=1&list=PL64DF1909345AF 984

12. Video Link! Ray Box and Optics. – http://www.youtube.com/watch?v=8gyGfiiC3ms &feature=related http://www.youtube.com/watch?v=8gyGfiiC3ms &feature=related

13. Activity Simulator: http://phet.colorado.edu/en/simulation/geom etric-optics http://phet.colorado.edu/en/simulation/geom etric-optics

14. Activity! Converging light sketch / lens – http://www.youtube.com/watch?v=BrNB_BacIkA &feature=related http://www.youtube.com/watch?v=BrNB_BacIkA &feature=related – Sketch this starting template (double convex)

15. Activity! Diverging light sketch / lens – http://www.youtube.com/watch?v=8fUygzGO3b4&fe ature=related http://www.youtube.com/watch?v=8fUygzGO3b4&fe ature=related – Sketch this starting template (double concave)

19. Which lens is converging light?

21. Convex

22. Convex Concave

23. Convex Concave

24. Convex Concave “Get out of my cave.”

25. Concavo-convex Concavo-convex

27. Which a concave polygon?

29. Learn more about light, optics, and lenses at: lhttp://www.nightlase.com.au/education/optics/lenses.htm lhttp://www.nightlase.com.au/education/optics/lenses.htm

31. Which is double convex?

33. Which is double concave?

34. Concave Mirror

35. Convex mirror

37. Which mirror is convex, and which mirror is concave?

42. For those who wear eyeglasses, the shape of the lens in the eye glasses help to correct the focus point.

43. These eyeglasses are double_________?

44. Concave

45. These eyeglasses are double_________? Concave

46. Nearsighted

50. Farsighted

53. Which is nearsightedness, and which is far sightedness?

55. Farsightedness

56. FarsightednessNearsightedness

58. Is this person nearsighted or far sighted? STJ Middle School

59. Answer! Farsighted

61. Activity! Vision test. Second from the bottom row from the back of the room.

62. Hubble Space Telescope.

69. Activity! Lens Optics Simulation – http://phet.colorado.edu/en/simulation/geometric-optics http://phet.colorado.edu/en/simulation/geometric-optics

73. Which microscope should be used to view a bumble bee, living cell, and deep into a dead cell?

80. Which device should we use to look at the specimen on the left?

83. The device in the middle, called a stereoscope is used for large objects?

84. Which device should we use to look at the specimen on the left?

87. The microscope on the right is a compound light microscope and is used for very small specimens that light can pass through.

88. This is stereoscopic microscope. It looks at things in which light cannot pass like a bumble bee. – Lets you see the image in 3D.

89. This is stereoscopic microscope. It looks at things in which light cannot pass like a bumble bee. – Lets you see the image in 3D.

90. This is stereoscopic microscope. It looks at things in which light cannot pass like a bumble bee. – Lets you see the image in 3D.

91. This is a light microscope. – It lets you magnify images that light can pass through. Uses a glass slide and cover slip.

92. This is a light microscope. – It lets you magnify images that light can pass through. Uses a glass slide and cover slip.

93. This is a light microscope. – It lets you magnify images that light can pass through. Uses a glass slide and coverslip.

94. Glass Slide

95. Coverslip

96. Glass SlideCoverslip Drop of water for a wet mount slide.

97. Glass SlideCoverslip Drop of water for a wet mount slide. Learn more about wet mount slides, oil immersion, and more at… http://www.microbehunter.com/2010/08/13/making-a-wet- mount-microscope-slide/

104. You do not put large objects under a light microscope such as a rock, pencil, finger, etc.

105. – Specimens need to be incredibly thin and light must pass through.

106. You do not put large objects under a light microscope such as a rock, pencil, finger, etc. – Specimens need to be incredibly thin and light must pass through. Uses Slides!

107. This is an electron microscope.

108. This is an electron microscope. It can magnify specimens much smaller than a light, or stereoscope,

109. This is an electron microscope. It can magnify specimens much smaller than a light, or stereoscope, but doesn’t usually view live cells or specimens.

110. Electron Microscopes.: Learn more at.. http://www.jic.ac. uk/microscopy/intr o_em.html http://www.jic.ac. uk/microscopy/intr o_em.html

111. Scanning electron microscope. – Lets you see small specimens in 3-D. STJ Middle School

112. Video! A look at the atoms in steel. Look closely. – http://www.youtube.com/watch?v=dNvdrpEmS48 http://www.youtube.com/watch?v=dNvdrpEmS48 STJ Middle School

113. Head of a flea under an electron microscope. STJ Middle School

114. What is this a picture of? – Hint, It’s on your homework. STJ Middle School

115. What is this a picture of? – Hint, It’s on your homework. STJ Middle School

116. What is this a picture of? – Hint, It’s on your homework. STJ Middle School

117. What is this a picture of? Hint, It’s on your lunch? STJ Middle School

118. What is this a picture of? Hint, It’s on your lunch? Grain of Table Salt. STJ Middle School

119. What is this a picture of? Hint- It may be on your person. STJ Middle School

120. What is this a picture of? Hint- It may be on your person. STJ Middle School

121. What is this a picture of? Hint- It may be on your person. STJ Middle School

122. What is this a picture of? Hint- It may be on your person. Answer: Velcro STJ Middle School

123. Mascara brush. STJ Middle School

124. Diatom (Protista) Shell made of glass. STJ Middle School

125. Cross section of a leaf. STJ Middle School

126. Clam gills. STJ Middle School

127. Eye of a fruit fly.

129. Variety of Pollen Grains. STJ Middle School

130. Human hair. STJ Middle School

133. Toilet Paper STJ Middle School

134. Electric Guitar String. STJ Middle School

135. Nylon stockings. STJ Middle School

136. Microorganisms on a sheet of paper. STJ Middle School

139. Head of Tick

140. Aquatic skin parasites on fish.

141. Reptile Scales.

142. Microscopic Spider. STJ Middle School

144. Dust mite. STJ Middle School

145. Dust mite. If you are allergic to dust, it is most likely the feces of the dust mite. STJ Middle School

146. Dust mite. If you are allergic to dust, it is most likely the feces of the dust mite. STJ Middle School

150. Porcupine quill.

151. Claw of Black Widow Spider

152. Video! (Optional) More Magnified Images. – http://www.youtube.com/watch?v=SIOOLXbwWME http://www.youtube.com/watch?v=SIOOLXbwWME