WorksheetsRevision U.5
Total questions: 12
Worksheet time: 12mins
Name
Class
Date
1.
How Does the sound work?
a)
When an object jumps
b)
When an object vibrates
c)
When an object breaks down
2.
Loud sounds
a)
Large vibrations
b)
Short and small vibrations
3.
Draw a Natural light source
4.
Write the three propierties of light
4 lines
5.
Speed of light
a)
3.000 km/sec
b)
300 km/sec
c)
3.000.000 km/sec
d)
300.000 km/sec
6.
Refraction
a)
b)
c)
d)
7.
Name of this change:
SOLID-->LIQUID
(a)
8.
Name of this change:
LIQUID-->GAS
(a)
9.
...travels in a straight line.
a)
Sound
b)
Light
c)
Heat
10.
Sound waves must travel through a .....
a)
Medium
b)
Surface
c)
Vacuum
11.
Light cannot pass through objects that are ....
a)
Transparent
b)
Translucent
c)
Opaque
12.
... changes the state of matter.
a)
Sound
b)
Light
c)
Heat
100 %
