The document appears to be a quiz about light and electromagnetic radiation. It contains 15 multiple choice questions about topics such as how light interacts with materials, examples of light sources, what is needed to make a light bulb work, properties of conductors and insulators, and the three common states of matter. The questions cover fundamental concepts in optics, electricity, and physical science.

1. Allegra Guzmán del Rio Januaruy,5,2013
#13 4.A
1
¿When light goes in to a new material it?
changes
direction
stays in a
reflects
straight line

2. 2
Which of the following is an artificial light
source?
The moon
The sun A bonfire

3. 3
What do we need to make a light bulb work?
water
Electric current sun

4. 4
What device products light by current
trough a gas?
A prism
A neon sign A flash light

5. 5
What can you infer about the environment
the anglerfish lives in?
It must
extremely
bright
It must It must be filled
extremely dark with other fish

6. 6
What could you use to split whit light into its
component colors?
A prism
A flashlight A light bulb

7. 7
Only a minute portion of the electromagnetic
spectrum can be seen whit the human eye. In
this context, what does minute mean?
small
60 seconds large

8. 8
When you look at your teacher´s face, how
can you see it?
Her face
emanates light
Light reflects off Light refracts
of her face through her face

9. 9
Conductors have high or low resistance?
low
high none

10. 10
Electrical power is measured by which
units?
kg
watts km

11. 11
Which is the boiling point of
water?
100°
200° 150°

12. 12
How do we call the temperature at which
solids melts into liquids?
Melting point
watering Boiling point

13. 13
It has no rigid structure, but it has a fixed
volume
liquid
gas solid

14. 14
How many states of matter there are?
2
1 3

15. 15
Anything that has mass and takes up space
matter
liquid light

16. Back1 back2 back3 back4 back5
back6 back7 back8 back9 back10
back11 back12 back13 back14 back15

17. next2 next3 next4 next5 next6 next7 next8 next9 next10 next11 next12 next13
next14 next15