Light, heat and sound

The three states of matter are

• solid, liquid and gas

• solid, liquid and shape

• shape, size and state

Tags

NGSS.5-PS1-3

The Sun produces ______ and ______ energy

• thermal, light

• chemical, sound

• kinetic, light

HEAT. When we say that something is hot or cold, what we really mean is that ...

• Its temperature is high or low

• Its temperature is big or small

• Its contraction or expansion

LIGHT. We can classify the sun in...

• Natural light source

• Artificial light source

Identify the type of energy

• light and heat

• Sound

• heat

• light

Choose the correct option

• Light passes through a different medium (water drops) and refracts the light. That’s why we see the colors of the rainbow

• Light passes through a different medium and absorbs the light. This is called reflection.

• Light passes through a different medium (water drops) and reflects the light. That’s called refraction.

• Light passes through the air and refracts the light. That’s why we see the colors of the rainbow

this picture represents reflection or refraction?

• reflection

• refraction

HEAT. The next picture is...

• A change of temperature

• A change of volume

• A change of state

HEAT. The next picture is...

• A change of temperature

• A change of volume (expansion)

• A change of state

How is this property of light called?

• Refraction

• Reflection

• Speed of light

• Straight lines