WorksheetsSCIENCE GRADE 8 CHAPTER 6 - 9 PG
Total questions: 20
Worksheet time: 33mins
At what point is the laser being reflected?
A
B
C
D
Which of these provides the best explanation for why the pencil appears broken?
The pencil absorbs the light rays that hit it.
Water reflects light rays away from the pencil.
Light rays are bent by the water in the glass.
The surface of the water reflects the light rays.
Which object refracted the laser beam?
Silver locket
Picture frame
Glass marble
Notebook
What makes it possible to see an object when looking through a periscope?
It contains mirrors that reflect the object.
It magnifies small objects so they can be seen.
It absorbs the light rays passing through it.
It separates the light into different colors.
the Image shows a simplified diagram of a pinhole camera. Which statement describes the image formed?
Diminished, upright and real
Magnified, upright and real
Diminished, inverted and real
Magnified, inverted and real
Which letter is the reflected ray?
a
b
c
d
Which letter is the normal line?
b
c
d
e
Which color refracts the least from the 7 colors of the rainbow?
Red
Yellow
Green
Black
A transparent object that bends light into rainbow colors.
prism
mirror
convex lens
concave lens
Two objects (A and B) are placed on a table. Object A reflects red light and absorbs all other colors, while object B reflects green light and absorbs all other colors.
What colors will the objects appear through a green filter?
Object A will appear red, and object B will appear green.
Object A will appear black, and object B will appear white.
Object A will appear black, and object B will appear green.
Object A will appear green, and object B will appear red.
Which light addition will produce yellow?
Red + Blue
Red + Green
Blue + Green
Blue + Magenta
Which one will produce magenta color?
Red + Green
Red + Blue
Blue + Green
Blue + Cyan
The substance in the sky which is involved in the formation of rainbow
Air particle
Dust
Raindrop
soot
The breaking up of white light into its component .
Based on the statement given, name the process that takes place in the white light.
Dispersion
Reflection
Refraction
Scattering
What is the angle of incidence?
10°
30°
60°
80°
The following describes an image formed in a plane mirror, except _______.
Laterally inverted
Same size as object
Same distance behind mirror as object is in front
Enlarged
Moving an object further away from a light source will make the shadow
Smaller
Bigger
Wider
Taller
Light rays from any light source travel outward in all directions along a straight path until they hit something. which of the following best represents what occurs when light rays hit a glass of water?
The light rays will pass straight through from air to water.
The water absorbs the light, and it will no longer be seen.
The light rays will bend at the boundary of air and water.
The surface of the water will reflect the light off the water.
