Question

A girl uses sunscreen lotion to protect herself from the energy of the electromagnetic rays from the sun. What does sunscreen lotion do to interfere with the transfer of energy from the sun to a person's skin?(1 point)
Responses

Causes skin cells to be damaged from the radiation emitted from the sun
Causes skin cells to be damaged from the radiation emitted from the sun

Reflects most of the ultraviolet radiation from the sun
Reflects most of the ultraviolet radiation from the sun

Helps skin exposed to the sun get a darker tan instead of sunburn
Helps skin exposed to the sun get a darker tan instead of sunburn

Absorbs the radiation coming from the sun before passing it to the person’s skin

Answer 1

A girl uses sunscreen lotion to protect herself from the energy of the electromagnetic rays from the sun. What does sunscreen lotion do to interfere with the transfer of energy from the sun to a person's skin?(1 point)
Responses

Causes skin cells to be damaged from the radiation emitted from the sun


Reflects most of the ultraviolet radiation from the sun


Helps skin exposed to the sun get a darker tan instead of sunburn


Absorbs the radiation coming from the sun before passing it to the person’s skin

Answer 2

Which statement is true for electromagnetic and mechanical waves?(1 point)
Responses

Mechanical waves require a medium to travel through, but electromagnetic waves do not need a medium.


Electromagnetic waves require a medium to travel, but mechanical waves do not need a medium.


Mechanical waves sometimes travel through a vacuum, and electromagnetic waves sometimes travel through matter.


Electromagnetic waves travel mainly through matter, and mechanical waves travel only through a vacuum.

Answer 3

Absorbs the radiation coming from the sun before passing it to the person’s skin

Answer 4

Reflects most of the ultraviolet radiation from the sun

Answer 5

Mechanical waves require a medium to travel through, but electromagnetic waves do not need a medium.