Light4/20/15
4/20 Shadows TB p. 530 Part A #1-94/21 Shadows TB p. 533 read and CN
HW: TB p. 534 #1-34/22 Light rays TB p. 536 Essential Questions
HW: TB p. 537 #1-54/23 Reflected Light TB p 538 #1-134/24 Reflection of an Image TB p. 541 read
and CN
Date: 4/20 Objective: I can investigate light and how shadows are created.
1. Write a claim about the mathematical relationship between wavelength and frequency that is supported by the data?
2. Use the relationship you Established to predict the value Missing.
Date: 4/20 Objective: I can investigate light and how shadows are created.
Open TB to p. 530 Part A
Date: 4/20 Objective: I can investigate light and how shadows are created.
Open TB to p. 530 Part A Complete #1-9
Member #1 cuts cardboard for #1-4Member #2 reads directions for #1-4Member #3 cuts cardboard for #5-9Member #4 reads directions for #5-9
All members write results
The light bulb gets HOT! Be careful
At the end, do not wrap the cord around the light bulb. It will melt
Date: 4/20 Objective: I can investigate light and how shadows are created.
Open TB to p. 530 Part A Complete #1-9
Member #1 positions cardboard for #1-4Member #2 reads directions for #1-4Member #3 positions cardboard for #5-9Member #4 reads directions for #5-9
All members write results
The light bulb gets HOT! Be careful
At the end, do not wrap the cord around the light bulb. It will melt
Date: 4/21 Objective: I can investigate light and how shadows are created.
Bell Ringer: Use the passage, table, and figures to answer the questions 35-40 on your bell ringer sheet
5 minutes
Date: 4/21 Objective: I can investigate light and how shadows are created.
With your group complete TB to p. 530 Part A #1-9
5 min
Date: 4/21 Objective: I can investigate light and how shadows are created.
Independently read Text book p. 533-534 read and take cornell notes
10 min
Date: 4/21 Objective: I can investigate light and how shadows are created.
Independently read Text book p. 533 read and take cornell notes
10 min
Light rays in holes – straight line –sun rays and laserShadow- dark area where light is absentSize of the Shadow- distance between light, object and screenSun Shadow –AngleUmbra-shadow of no lightPenumbra- shadow edge that receives some light
Date: 4/21 Objective: I can investigate light and how shadows are created.
Independently read Text book p. 533 read and take cornell notes
point vs extended light source
Date: 4/21 Objective: I can investigate light and how shadows are created.
Video
Date: 4/22 Objective: I can investigate the reflection of light in a mirror
Bell Ringer:Review questions 37-38
Date: 4/22 Objective: I can investigate the reflection of light in a mirror
Get a TextbookIndependently answer Essential Questions p. 53612 min
Date: 4/22 Objective: I can investigate the reflection of light in a mirror
Get a TextbookIndependently answer Essential Questions p. 53612 min
HW: TB p. 537 #1-5
Date: 4/22 Objective: I can investigate the reflection of light in a mirror
As a class read TB p. 538
Date: 4/22 Objective: I can investigate the reflection of light in a mirror
With your group, complete TB p. 538 #1-13
Member #1 positions mirror and laser for #1,3,5,7,9,11,13Member #2 reads directions for #1,3,5,7,9,11,13Member #3 positions mirror and laser for #2,4,6,8,10,12Member #4 reads directions for #2,4,6,8,10,12
All members write results
Be careful with the lasers. DO NOT DIRECT the lasers near anyone’s eyes!
Point lasers towards windows and door
Date: 4/23 Objective: I can investigate the reflection of light in a mirror
Bell Ringer:Review questions 38-39
Date: 4/23 Objective: I can investigate the reflection of light in a mirror
With your group, complete TB p. 538 #1-13
Date: 4/23 Objective: I can investigate the reflection of light in a mirror
With your group, complete TB p. 538 #1-13
Member #1 positions mirror and laser for #1,3,5,7,9,11,13Member #2 reads directions for #1,3,5,7,9,11,13Member #3 positions mirror and laser for #2,4,6,8,10,12Member #4 reads directions for #2,4,6,8,10,12
All members write results
Be careful with the lasers. DO NOT DIRECT the lasers near anyone’s eyes!
Point lasers towards windows and door
Date: 4/24 Objective: I can understand characteristics of reflection
Bell Ringer : question #40
Date: 4/24 Objective: I can understand characteristics of reflection
With your group, complete TB p. 538
Date: 4/24 Objective: I can understand characteristics of reflection
With your group, complete TB p. 538 #1-13
Member #1 positions mirror and laser for #1,3,5,7,9,11,13Member #2 reads directions for #1,3,5,7,9,11,13Member #3 positions mirror and laser for #2,4,6,8,10,12Member #4 reads directions for #2,4,6,8,10,12
All members write results
Be careful with the lasers. DO NOT DIRECT the lasers near anyone’s eyes!
Point lasers towards windows and door
Date: 4/24 Objective: I can understand characteristics of reflection
TB page 541
Date: 4/24 Objective: I can understand characteristics of reflection
Independently read TB page 541-543 and take cornell notes 10 min
Date: 4/24 Objective: I can understand characteristics of reflection
Independently read TB page 541-543 and take cornell notes 10 min
HW: TB p. 537 #1-5
Date: 4/24 Objective: I can understand characteristics of reflection
Independently read TB page 541-543 10 min
Mirror – larger image? Angle?Angle of incidence? Incident rayAngle of reflection-reflected ray
Law of reflection
Mirror
Incident Ray
Normal
θi
Rays reflect off a surface at the same angle they struck it with. This reflected angle is the angle of reflection.
Reflected Ray
Angle of incidenc
e θr
Angle of reflection
Date: 4/24 Objective: I can understand characteristics of reflection
Independently read TB page 541-543 10 min
Law of reflection
Date: 4/24 Objective: I can understand characteristics of reflection
Independently read TB page 541-543 10 min
Light waves – transverse wavesNo medium for light waves – vacuumLight carries energy