1. UNIT 2 Chapter 6–Light

2. Do you know? Chapter 6 ‒ Light pp. 114-115 What is a straight line of light called?What is a straight line of light called? What is a luminous object?What is a luminous object?

3. Words To Know a straight line of light ray Chapter 6 ‒ Light p. 114

4. Words To Know can make light on its own luminous Chapter 6 ‒ Light p. 114

5. Words To Know cannot make its own light nonluminous Chapter 6 ‒ Light p. 115

6. Do you know? Chapter 6 ‒ Light pp. 116-117 What is a translucent substance?What is a translucent substance? How are opaque objects different from transparent objects?How are opaque objects different from transparent objects?

7. Words To Know allows light rays to pass through it transparent Chapter 6 ‒ Light p. 116

8. Words To Know allows some, but not all, light rays to pass through it translucent Chapter 6 ‒ Light p. 116

9. Words To Know does not allow any light rays to pass through it opaque Chapter 6 ‒ Light p. 117

10. Chapter 6 ‒ Light p. 117 1. What is a ray? a straight line of light

11. Chapter 6 ‒ Light p. 117 2. What is a luminous object? an object that can make light on its own

12. Chapter 6 ‒ Light p. 117 3. What kind of substance does not allow any light rays to pass through it? an opaque substance

13. Do you know? Chapter 6 ‒ Light pp. 118-119 What causes a shadow?What causes a shadow? How long is your shadow at noon?How long is your shadow at noon?

14. Words To Know a dark shape caused when an object blocks light shadow Chapter 6 ‒ Light p. 118

15. Chapter 6 ‒ Light p. 119 1. What is a shadow? a dark shape caused when an object blocks light

16. Chapter 6 ‒ Light p. 119 2. If a shadow is on the right side of an object, where is the light source? on the left side

17. Chapter 6 ‒ Light p. 119 3. Is your shadow longer at noon or at 6:00 p.m.? at 6:00 p.m.

18. Do you know? Chapter 6 ‒ Light pp. 122-123 What are all the colors that make up light called?What are all the colors that make up light called? Why does a red hat look red?Why does a red hat look red?

19. Words To Know all the colors that make up light visible spectrum Chapter 6 ‒ Light p. 122

20. Words To Know the bouncing of light off an object reflection Chapter 6 ‒ Light p. 122

21. Do you know? Chapter 6 ‒ Light pp. 124-125 What is refraction?What is refraction? What tools refract light?What tools refract light?

22. Words To Know the bending of light as it passes from one substance to another refraction Chapter 6 ‒ Light p. 124

23. Words To Know a transparent material used to bend light lens Chapter 6 ‒ Light p. 125

24. Chapter 6 ‒ Light p. 125 1. What is the visible spectrum? all the colors that make up light

25. Chapter 6 ‒ Light p. 125 2. What colors does a blue shirt absorb? all the colors except blue

26. Chapter 6 ‒ Light p. 125 3. What is refraction? the bending of light as it passes from one substance to another

27. Do you know? Chapter 6 ‒ Light pp. 126-127 What is the pupil?What is the pupil? What path does light take through the eye?What path does light take through the eye?

28. Do you know? Chapter 6 ‒ Light pp. 128-129 What is nearsighted vision?What is nearsighted vision? Does a convex lens bend light inward or outward?Does a convex lens bend light inward or outward?

29. Chapter 6 ‒ Light p. 129 1. What part of the eye focuses light? the lens

30. Chapter 6 ‒ Light p. 129 2. What determines whether a person has normal vision or not? where the lens focuses light

31. Chapter 6 ‒ Light p. 129 3. What kind of lens bends light inward? a convex lens

32. Key Ideas We need light to see.We need light to see. Light rays travel in straight lines.Light rays travel in straight lines. Light and heat are related to each other.Light and heat are related to each other. The location of a light source can be determined by an object’s shadow.The location of a light source can be determined by an object’s shadow. Chapter 4 ‒ Forces and Machines p. 132

33. Key Ideas The colors we see are the result of light that reflects off objects.The colors we see are the result of light that reflects off objects. Some lenses are used to correct where the eye focuses an image.Some lenses are used to correct where the eye focuses an image. God designed the parts of the eye to focus images by receiving and bending light.God designed the parts of the eye to focus images by receiving and bending light. Chapter 4 ‒ Forces and Machines p. 132