This body let light pass through it, but it disperses it. It is called...
TRANSLUCENT.
Heat is transferred from ...
a warm object to a colder one.
Name three qualities of sound.
VOLUME, PITCH AND TIMBRE.
Choose the odd one out. 1. Expansion 2. Volume 3. Timbre 4. Pitch
1.- EXPANSION
… materials do not let light pass through.
OPAQUE
Lenses … light to make things look bigger or smaller.
Refract
Acording to heat, objects can be...
Conductors or insulators.
What is timbre?
It is the difference of sounds with the same volume and pitch.
Name the types of mirrors.
Convex, concave and flat.
Tell two things light and sound have in common.
They travel in straight line and all directions.
Sound travels quicker through ground than through air. True of false?
TRUE
Condensation, which states are involved?
FROM GAS TO LIQUID.
When an object is heated, it...
expands.
The process where the ice becomes liquid is called...
melting
Sound energy travels quicker than light energy. True or false?
FALSE
The … of a sound is how loud or quiet it is
VOLUME
Which of the following sentences is not true? 1. Light travels very fast. 2. Light travels in straight lines. 3. Light can pass through any material. 4. The sun is a natural light source.
3.- Light can pass through any material.
When we say "refraction", we are talking about...
LIGHT ENERGY
The changes in volume of an object depending on heat are...
EXPANSION AND CONTRACTION
According to the pitch, a sound can be....
HIGH AND LOW
Choose the odd one out. 1. Transparent 2. Opaque 3. Translucent 4. Convergent
4.- CONVERGENT
When we say a sound is quiet, we are talking about its.....
VOLUME
When bodies of matter are heated, they … . 1. get smaller 2. expand 3. freeze 4. contract
2.- Expand
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