---------------------------- materials don’t allow light to pass through it.
opaque
A substance that consists of one type of identical particles is called----------------------.
pure substance
When the light moves from water to air, it is ---------------------
refract
The image formed by the narrow holes is ------------------- and --------------------
inverted, minimized
Yellow color is formed by mixing --------------------- and ------------------- light colors
red - green
-Colored opaque objects can be seen in the same color of the light that it ----------------
reflects
If red light strikes a white ball, the ball appears in ---------------------- color.
red
The dynamo is used to convert the ------------------ energy into ------------------ energy.
kinetic - electric
The ------------------- contains a small light magnet moves freely around a fixed axis.
compass
----------------------------- is used to separate water – oil mixture.
separating funnel
Mixing green and blue lights produce -------------------- light.
cyan color
The prism separates the sunlight into--------------------------
7 colors
Like magnetic poles ------------------ each other , and dislike poles-----------------------.
repel - attract
The common solvent is ------------------------
water
The strongest magnetic force is located at the ---------------------- of a magnet.
two poles
The nearer object to the light source has ---------------------- shadow.
bigger