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Light Energy. Light travels in straight lines… until it is reflected (bounced) off of an object…

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Presentation on theme: "Light Energy. Light travels in straight lines… until it is reflected (bounced) off of an object…"— Presentation transcript:

1 Light Energy

2 Light travels in straight lines…

3 until it is reflected (bounced) off of an object…

4 or refracted by traveling through another object.

5 Light does not curve. During reflection and refraction the light either bounces off or bends at an angle, and then continues traveling in a straight line.

6 Tell whether the following diagrams represent reflection or refraction. Explain how you know. Reflection; The light is bouncing off the object, not passing through the object.

7 Refraction; The light is passing through an object and changing its direction.

8 Reflection; The light is not traveling through an object. It is bouncing off the object.

9 It’s QUIZ time!!!

10 An image can be seen in a shiny surface when light is – A reflected B refracted C absorbed D stopped A ~ reflected

11 The picture shows what a student observed when she looked through a hand lens at a bee. When light passes through a hand lens it is ___________, thus making the image appear larger. A absorbedC refracted B reflectedD stopped C ~ refracted

12 The illustration shows a light ray striking an object. In the illustration, the light is - A absorbed B stopped C reflected D refracted C ~ reflected

13 Which of the following objects would reflect the most light? A A piece of red construction paper B A dark brown carpet square C A smooth, black-topped table D A flat sheet of aluminum foil D ~ A flat sheet of aluminum foil

14 A student placed a pencil in a glass of water. The pencil appears broken because light – A always travels in a straight line. B makes the water in the glass evaporate. C bends when it passes through water. D reflects the pencil on the water’s surface. C ~ bends when it passes through water.

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