LETS PLAY FIBBER Chapter 12 Review Game 1

LET’S PLAY FIBBER! Chapter 12 Review Game

1. A back and forth motion that produces sound is called a _________. A. Vibration B. Sound C. Sound Wave D. Echo

2. A wave that transfers sound through matter is a(n) ___________. A. Motion B. Radiation C. Sound Wave D. Circuit

3. ______ are sounds that bounce off of a surface that is a reflected sound. A. Sound Waves B. Echoes C. Motions D. Decibels

4. True or False Sound travels slowest in a gas. True!

5. Sound travels more quickly through a(n) _______, and travels most quickly through a(n) ________. A. liquid; solid B. solid; liquid C. gas; solid D. liquid, gas

6. _______ use echoes to navigate and find prey. A. Orangutans B. Whales C. Dolphins D. Panda Bears

7. The highness or lowness of a sound is its ________. A. Pitch B. Amplitude C. Frequency D. Wavelength

8. The distance from the top of one sound wave to the top of the next wave is a(n) ________. A. Frequency B. Wavelength C. Pitch D. Amplitude

9. True or False The number of wavelengths that pass a point in one second is called amplitude. False! This refers to the frequency.

10. A tool used to separate white light into different color is a(n) ______. A. Prism B. Visible Spectrum C. Retina D. Lens

11. True or False A lens that bends light outward, making objects look smaller, is called a(n) convex lens. False! It is a concave lens.

12. A lens is a tool use to _______, or bend light. A. Refract B. Opaque C. Convert D. Conduct

13. The lens of the eye focuses images on the ______. The optic nerve sends images to the ______. A. pupil; brain B. retina; brain C. iris; brain D. cornea; brain

14. All matter is made up of tiny particles called ______. A. charges B. electrons C. atoms D. electrical charges

15. True or False Lightning is a discharge of static electricity during a storm. True!

16. Atoms contain particles with ______ and ______ electrical charges. A. positive and neutral B. positive and negative C. negative and neutral D. None of these

17. The path along with electric current flows is called a(n) ______. A. Static electricity B. Current electricity C. Pole D. Circuit

18. Electric current flows along a single path in a ______ circuit. A. Series B. Parallel C. None of these

19. True or False A circuit with a gap is a(n) open circuit. A circuit can be opened and closed with a switch. True!

20. A parallel circuit connects each load to the power source by different paths called ______. A. Series B. Switches C. Branches D. Currents

21. True or False If the light in your classroom is on, the circuit is open. False! If the light is on, the circuit is closed so that the electric current can flow through and produce electricity.

22. _______ materials refers to materials that scatter light in different directions. These are materials that are hard to see clearly through and are considered cloudy. A. Transparent B. Opaque C. Translucent D. None of these

23. ______ materials block light completely. Wood and metal are examples. A. Transparent B. Translucent C. Opaque D. None of these

24. A ______ is an object or a material that can attract metals containing iron, nickel, or cobalt. A. Magnet B. Balloon C. Piece of Metal D. Electromagnet

25. The north and south poles of two magnets will _____ each other. A. Repel B. Attract C. Both attract and Repel D. Nothing will happen

26. True or False The attraction of magnets is strongest when magnets are further apart. False; It is strongest when they are close together.

27. A magnetic field is the area of magnetic _____ around a magnet. A. Current B. Attraction C. Force D. Metal

28. Generators produce back and forth current called ________ current. Batteries produce current in one direction called _______ current. A. alternating; direct B. direct; alternating C. static; electric D. electric; static

29. The colors that make up white light are called the ____________. A. Prism B. Visible Spectrum C. Refraction D. Opaque