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BOSTON INTERNATIONAL SCHOOLResolución 900.258.868-9. RESOLUCIÓN 04613 DE 2010 COD: B.I.S – ACA: P.S.B.

SCIENCE WORKSHOP PDE2ND PERIOD - 2016

3RD GRADE

Versión: Agosto 2014

Página 1 de 2

COMPLETE THE PHRASES USING THE WORD BOX.

1. Vibration is a series of _______________________ movements.

2. Refraction is the ____________________________ of light as it goes from one material to another.

3. Light moves in ______________________________ line.

4. Reflection is the _____________________________ of light off an object.

5. Sound travels in ______________________________.

WRITE THE DEFINITION OF THESE WORDS

1. Pitch: ____________________________________________________________________________________

2. Sound: ___________________________________________________________________________________

3. Opaque objects: ____________________________________________________________________________

4. Translucent Objects: ________________________________________________________________________

5. Light: ____________________________________________________________________________________

DRAW AND EXPLAIN

6. Draw an opaque object and explain why it is opaque.

7. Illustrate the refraction of light and explain how it happens

Straight bouncing bending waves back and forth

BOSTON INTERNATIONAL SCHOOLResolución 900.258.868-9. RESOLUCIÓN 04613 DE 2010 COD: B.I.S – ACA: P.S.B.

SCIENCE WORKSHOP PDE2ND PERIOD - 2016

3RD GRADE

Versión: Agosto 2014

Página 2 de 2

ANSWER THE FOLLOWING QUESTIONS

8. In which material does the sound travel the slowest?

9. In which materials does the sound travel the fastest?

10. If you stand in front of a mirror and wave your right hand, what will you see in the mirror?

11. How can you reflect the light of JESUS to people?

READ THE STATEMENTS AND CIRCLE YES OR NO

12. Sound comes from objects that vibrate yes no

13. When an object moves its shadow moves too yes no

14. You cannot hear underwater. Yes no

15. When light strikes an object some light is absorbed yes no

WRITE SENTENCES USING THE FOLLOWING WORDS

16. Transparent: ______________________________________________________________________________________

17. Shadow: ______________________________________________________________________________________

18. Light:

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19. Reflection:

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20. Opaque:

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