PTT: 1) Check: did you do tasks 4 and 5 from the last class? 2) Turn to page 98 3) Title the page: Colors of Light 4) Record the date
5) Write the goals - Goal Questions: What color is light? How do we see colors?
Task 1: 1) Discuss the questions as a class 2) Divide the page into 4 boxes.
3) In BOX 1, copy down the following question and write what you think the answer might be. If you don't know, THINK and write down a few ideas: What happens when we mix colors?
4) Discuss your answer with a seat partner.
Task 2:
1) In BOX 2, record this title: Observations - Mixing Colors
2) Write down the following things in box 2: the answers to each "problem" will be your observations in the simulation. Red + Green = Green + Blue = Blue + Red = Red + Green + Blue = Other:
3) Go to this link to complete the simulation and find out the answers to the questions: http://phet.colorado.edu/en/simulation/color-vision (Use the RGB view)
4) Think: were you surprised by these answers? Why or why not?
Task 3:
1) In BOX 3, draw a color Venn Diagram to show how the colors of light mix - use colored pencils or pens to color it in
See here if you need some more help or want to learn more: http://www.physicsclassroom.com/class/light/u12l2d.cfm
(This will give you more information about color addition, i.e. mixing colors of light)
2) In BOX 4, copy down the following question and answer using complete sentences: How is mixing colors of light different from mixing colors in art class? (NOTE: If you are curious, you can read more here about why mixing colors in art is different from mixing colors of light, but remember: it is beyond the level of understanding I expect you to have for our class. This is called color subtraction: http://www.physicsclassroom.com/class/light/Lesson-2/Color-Subtraction)
3) Let's watch this video to review and see how the colors of light mix together.
Task 4:
1) READ THIS: Now, if we see a rainbow, that shows us more colors of light than red, green, and blue. That is actually because we're seeing more than just the primary colors of light - we're seeing all of the colors in the spectrum. While we saw colors of light combined together in the auditorium, when we see colors in life it is because the white light is broken apart somehow for us to just see certain colors. 2) We will watch this video to see what makes up the visible light spectrum of the electromagnetic spectrum:
3) Talk to a seat partner about what the colors in the color spectrum are.
4) Watch this video to see how we can use something called a prism to break white light apart into the different colors.
It is called refraction when light goes through the prism. The light gets bent when it slows down, and so the colors separate for us to see. This is also what happens when we see rainbows - the light refracts as it goes through raindrops.
Closure:
Talk to your seat partner about how we can combine red, green, and blue light to make white light, and how white light can then be broken apart into different colors.
Week 24, Day 2
PTT:
1) Open your notebook to page 98. Assess yourself: did you complete the page? Did you get done what needed to be done?
2) Turn to page 99
3) Title the page: Seeing Color
4) Record the date: W24, D2
5) Divide the page into 4 boxes
6) Watch this video as a class. This totally blows my mind! If you thought it was crazy that red and green make yellow, listen to this physicist explain how purple/magenta is not real - it's all in your head. Your BRAIN makes up the colors! How it all actually works in your head:
Task 1: Notes on the wavelengths of light and seeing the color spectrum
Complete the following things on page 99. Make sure to draw pictures with colored pencils if the question requires you to, and to answer using complete sentences when required.
BOX 1: Each part of the electromagnetic spectrum had a different wavelength, and this is true for visible light as well. How do the colors vary in wavelength? Draw a diagram - using colored pencils or pens - to show the difference. [Hint: if you get stuck, take a look at this site: http://science.hq.nasa.gov/kids/imagers/ems/visible.html ]
BOX 2: Draw an example that show how white light has other colors inside it.
[We will try to do a prism demo or you can borrow the refraction glasses to see]
BOX 3: Answer this using complete sentences: We know that light can be transmitted, scattered, reflected, refracted, or absorbed when it hits an object. Which of these happened when light hits a raindrop or a prism? How do you know?
Hint: Take a look at the image below if you need some help:
BOX 4: Record these notes - The colors we see are actually the colors of light that objects reflect. Example: the blue chairs in the classroom absorb all the colors except blue and reflect the blue light back to our eye. Black objects absorb all the colors of light, which is why you feel hotter when wearing black in the summer. White objects reflect all of the colors of light (and when combined together all the colors make white).
Task 2:
1) Turn to p. 100
2) Record the date and the title: Colors of Objects
3) Record the goal - Goal Question: Why do objects appear to be different colors?
4) Discuss as a class light reflecting and absorbing colors. See some demos.
Task 3:
1) Read this:
NOTE: We've talked about how the colors we see are the colors of light that objects reflect. Example: the blue chairs in the classroom absorb all the colors except blue and reflect the blue light back to our eye.
NOTE: We talked about how black objects absorb all the colors of light, which is why you feel hotter when wearing black in the summer.
NOTE: We talked about how white objects reflect all the colors.
2) Draw pictures:
Draw a selection of following pictures to show the colors of light that objects reflect (use the ones below for inspiration). You need at least 4 drawings - make sure a black object and a white object are two of them. USE YOUR COLORS TO DRAW THE PICTURES!
NOTE: you have 8 minutes to complete this task!
Closure: Summing up the diagrams
1) Write a brief description next to each picture to explain what is happening (ex: blue ball reflects blue light wavelength)
2) At the bottom of page 100, write a summary statement that explains what the pictures show us.
Sentence starter: In these pictures, we can see that objects appear a certain color because...
HOMEWORK:
Study for the quiz on Monday. You will need to know everything we've learned so far:
- What is a wave?
- How do we label the parts of a wave?
- What are the typed of waves in the electromagnetic spectrum? - name them in order
- What is a use for each type of EM wave?
- What are the primary colors of light? How do they combine to make other colors?
- What are all of the colors in the color spectrum?
- Why do objects look the color they do?
Watch the Bill Nye video to put together all the pieces of information that we've learned about light and color.
Week 24, Day 3
PTT:
Test Correction (if you didn't do well)
1) Your electricity test will be handed back and corrected.
2) Remember that there will be a retest next Monday after school, for those who choose to rewrite it.
Task 1:
1) Update the table of contents for the waves and light unit
2) Title p. 101: Summing up light and color
3) Record the date
4) Think: This week's goal was for you to be able to explain what color light is and how we see different colors. Can you do that?
5) On page 101, write a claim-reason-evidence statement to show you have achieved the goal question. Use the sentence frame below as needed. Words to use: sun, wavelength, prism/rainbow
Claim: The colors of light come from....
Reason: We can see the different colors because...
Evidence: I know this because...
Task 2:
1) Draw this graph in your notebook.
2) Below the graph, explain what color of light plants absorb most, what color of light plants absorb least, what color of light is most reflected by the plants, what color of light plants will grow best under, and how the energy of light waves changes.
Task 3:
Video - Bill Nye - Light and Optics
1) Title the bottom half of page 101 " Notes - Light and Optics"
2) Watch video - periodically we will stop and record notes about how light works
Closure:
Make a note of the following events
1) Test rewrite - Monday February 23
2) QUIZ - Waves, Color & the Electromagnetic Spectrum - Tuesday February 22
Homework:
1) Prepare for the quiz on Tuesday
- What is a wave?
- How do we label the parts of a wave?
- What are the types of waves in the electromagnetic spectrum? - name them in order (longest wavelength to shortest and vise versa)
- What is a use for each type of EM wave?
- What are the primary colors of light? How do they combine to make other colors?
- What are all of the colors in the color spectrum?
- Why do objects look the color they do?
Extra Practice if you finish: Extra Practice 1:
1) Watch the following video for a quick review on the electromagnetic spectrum - BrainPop - The Electromagnetic Spectrum (username:asfmbp, password:asfmbp). Feel free to add new information to your notebook where you see fit.
2) Ensure that you are able to list at least one use for each type of electromagnetic radiation.
Extra Practice 2:
Thermogram Investigation
1) Click the link and read the directions for the activity - Thermogram Investigation
2) Make a copy that you can work on.
3) You and your partner will have 20 minutes to complete your investigation
4) Prepare to present a brief summary of your findings
Week 24, Day 1
Table of Contents
1) Check: did you do tasks 4 and 5 from the last class?
2) Turn to page 98
3) Title the page: Colors of Light
4) Record the date
5) Write the goals - Goal Questions: What color is light? How do we see colors?
Task 1:
1) Discuss the questions as a class
2) Divide the page into 4 boxes.
3) In BOX 1, copy down the following question and write what you think the answer might be. If you don't know, THINK and write down a few ideas: What happens when we mix colors?
4) Discuss your answer with a seat partner.
Task 2:
1) In BOX 2, record this title: Observations - Mixing Colors
2) Write down the following things in box 2: the answers to each "problem" will be your observations in the simulation.
Red + Green =
Green + Blue =
Blue + Red =
Red + Green + Blue =
Other:
3) Go to this link to complete the simulation and find out the answers to the questions:
http://phet.colorado.edu/en/simulation/color-vision (Use the RGB view)
4) Think: were you surprised by these answers? Why or why not?
Task 3:
1) In BOX 3, draw a color Venn Diagram to show how the colors of light mix - use colored pencils or pens to color it in
See here if you need some more help or want to learn more: http://www.physicsclassroom.com/class/light/u12l2d.cfm
(This will give you more information about color addition, i.e. mixing colors of light)
2) In BOX 4, copy down the following question and answer using complete sentences:
How is mixing colors of light different from mixing colors in art class?
(NOTE: If you are curious, you can read more here about why mixing colors in art is different from mixing colors of light, but remember: it is beyond the level of understanding I expect you to have for our class. This is called color subtraction:
http://www.physicsclassroom.com/class/light/Lesson-2/Color-Subtraction)
3) Let's watch this video to review and see how the colors of light mix together.
Task 4:
1) READ THIS: Now, if we see a rainbow, that shows us more colors of light than red, green, and blue. That is actually because we're seeing more than just the primary colors of light - we're seeing all of the colors in the spectrum. While we saw colors of light combined together in the auditorium, when we see colors in life it is because the white light is broken apart somehow for us to just see certain colors.
2) We will watch this video to see what makes up the visible light spectrum of the electromagnetic spectrum:
3) Talk to a seat partner about what the colors in the color spectrum are.
4) Watch this video to see how we can use something called a prism to break white light apart into the different colors.
It is called refraction when light goes through the prism. The light gets bent when it slows down, and so the colors separate for us to see. This is also what happens when we see rainbows - the light refracts as it goes through raindrops.
Closure:
Talk to your seat partner about how we can combine red, green, and blue light to make white light, and how white light can then be broken apart into different colors.
Week 24, Day 2
PTT:
1) Open your notebook to page 98. Assess yourself: did you complete the page? Did you get done what needed to be done?
2) Turn to page 99
3) Title the page: Seeing Color
4) Record the date: W24, D2
5) Divide the page into 4 boxes
6) Watch this video as a class. This totally blows my mind! If you thought it was crazy that red and green make yellow, listen to this physicist explain how purple/magenta is not real - it's all in your head. Your BRAIN makes up the colors! How it all actually works in your head:
How your eye works:
http://faculty.washington.edu/chudler/retina.html
Task 1: Notes on the wavelengths of light and seeing the color spectrum
Complete the following things on page 99. Make sure to draw pictures with colored pencils if the question requires you to, and to answer using complete sentences when required.
BOX 1: Each part of the electromagnetic spectrum had a different wavelength, and this is true for visible light as well. How do the colors vary in wavelength? Draw a diagram - using colored pencils or pens - to show the difference. [Hint: if you get stuck, take a look at this site: http://science.hq.nasa.gov/kids/imagers/ems/visible.html ]
BOX 2: Draw an example that show how white light has other colors inside it.
[We will try to do a prism demo or you can borrow the refraction glasses to see]
BOX 3: Answer this using complete sentences: We know that light can be transmitted, scattered, reflected, refracted, or absorbed when it hits an object. Which of these happened when light hits a raindrop or a prism? How do you know?
Hint: Take a look at the image below if you need some help:
BOX 4: Record these notes -
The colors we see are actually the colors of light that objects reflect. Example: the blue chairs in the classroom absorb all the colors except blue and reflect the blue light back to our eye.
Black objects absorb all the colors of light, which is why you feel hotter when wearing black in the summer.
White objects reflect all of the colors of light (and when combined together all the colors make white).
Task 2:
1) Turn to p. 100
2) Record the date and the title: Colors of Objects
3) Record the goal - Goal Question: Why do objects appear to be different colors?
4) Discuss as a class light reflecting and absorbing colors. See some demos.
Task 3:
1) Read this:
NOTE: We've talked about how the colors we see are the colors of light that objects reflect. Example: the blue chairs in the classroom absorb all the colors except blue and reflect the blue light back to our eye.
NOTE: We talked about how black objects absorb all the colors of light, which is why you feel hotter when wearing black in the summer.
NOTE: We talked about how white objects reflect all the colors.
2) Draw pictures:
Draw a selection of following pictures to show the colors of light that objects reflect (use the ones below for inspiration). You need at least 4 drawings - make sure a black object and a white object are two of them. USE YOUR COLORS TO DRAW THE PICTURES!
NOTE: you have 8 minutes to complete this task!
Closure: Summing up the diagrams
1) Write a brief description next to each picture to explain what is happening (ex: blue ball reflects blue light wavelength)
2) At the bottom of page 100, write a summary statement that explains what the pictures show us.
Sentence starter: In these pictures, we can see that objects appear a certain color because...
HOMEWORK:
Study for the quiz on Monday. You will need to know everything we've learned so far:
- What is a wave?
- How do we label the parts of a wave?
- What are the typed of waves in the electromagnetic spectrum? - name them in order
- What is a use for each type of EM wave?
- What are the primary colors of light? How do they combine to make other colors?
- What are all of the colors in the color spectrum?
- Why do objects look the color they do?
Watch the Bill Nye video to put together all the pieces of information that we've learned about light and color.
Week 24, Day 3
PTT:
Test Correction (if you didn't do well)
1) Your electricity test will be handed back and corrected.
2) Remember that there will be a retest next Monday after school, for those who choose to rewrite it.
Task 1:
1) Update the table of contents for the waves and light unit
2) Title p. 101: Summing up light and color
3) Record the date
4) Think: This week's goal was for you to be able to explain what color light is and how we see different colors. Can you do that?
5) On page 101, write a claim-reason-evidence statement to show you have achieved the goal question. Use the sentence frame below as needed. Words to use: sun, wavelength, prism/rainbow
Claim: The colors of light come from....
Reason: We can see the different colors because...
Evidence: I know this because...
Task 2:
1) Draw this graph in your notebook.
2) Below the graph, explain what color of light plants absorb most, what color of light plants absorb least, what color of light is most reflected by the plants, what color of light plants will grow best under, and how the energy of light waves changes.
Task 3:
Video - Bill Nye - Light and Optics
1) Title the bottom half of page 101 " Notes - Light and Optics"
2) Watch video - periodically we will stop and record notes about how light works
Closure:
Make a note of the following events
1) Test rewrite - Monday February 23
2) QUIZ - Waves, Color & the Electromagnetic Spectrum - Tuesday February 22
Homework:1) Prepare for the quiz on Tuesday
- What is a wave?
- How do we label the parts of a wave?
- What are the types of waves in the electromagnetic spectrum? - name them in order (longest wavelength to shortest and vise versa)
- What is a use for each type of EM wave?
- What are the primary colors of light? How do they combine to make other colors?
- What are all of the colors in the color spectrum?
- Why do objects look the color they do?
Extra Practice if you finish:
Extra Practice 1:
1) Watch the following video for a quick review on the electromagnetic spectrum - BrainPop - The Electromagnetic Spectrum (username:asfmbp, password:asfmbp). Feel free to add new information to your notebook where you see fit.
2) Ensure that you are able to list at least one use for each type of electromagnetic radiation.
Extra Practice 2:
Thermogram Investigation
1) Click the link and read the directions for the activity - Thermogram Investigation
2) Make a copy that you can work on.
3) You and your partner will have 20 minutes to complete your investigation
4) Prepare to present a brief summary of your findings