Honors Week 8 Practice (Melanin and UV Light)

Match the following

• living parts of an ecosystem

• biotic

• Energy Molecule

• ATP

• break down of glucose to make ATP

• abiotic

• non living parts of eccosystem

• Cellular Respiration

• producers make glucose

• photosynthesis

Tags

PS.4.B

PS.4.A

Match the following

• to pass through

• transmit

• bounce off

• absorb

• take in

• reflect

• to give off

• emit

• redirection of light wave at an angle

• refract

Tags

PS.4.B

PS.4.A

Match the following

• cycling of matter, hot up and cold down

• convection

• distance between waves

• amplitude

• number of waves

• wavelength

• height of wave

• frequency

• person who studies light

• spectroscopist

Tags

PS.4.B

PS.4.A

In a science experiment, John is testing the effect of different amounts of sunlight on the growth of a plant. Which variable is John changing in his experiment?

• The amount of sunlight (Independent)

• The growth of the plant (Dependent)

• The type of plant (Constant)

• The control plant that receives no sunlight (Control)

Tags

PS.4.B

PS.4.A

Imagine you are a scientist studying human genetics. What would you say is the primary determinant of variations in hair, skin, and eye colors among humans?

• Melanin

• UV light

• DNA

• Suntan

Tags

PS.4.B

PS.4.A

Imagine you are studying the human body in a biology class. Your teacher asks, 'In which parts of our body can melanin be found?'

• Hair, skin, and eyes

• Kidneys, spleen, and liver

• Lungs and heart

• All of the above

Tags

PS.4.B

PS.4.A

In a study observing the effect of temperature on the growth of a plant, on a graph, which axis would show the growth of the plant (dependent variable)?

• Temperature axis (x-axis)

• Growth axis (y-axis)

• Neither

• It changes

Tags

PS.4.B

PS.4.A

Imagine you are at the beach on a sunny day. What role does melanin play in protecting your skin in this scenario?

• Absorbing UV light

• Producing DNA

• Causing skin cancer

• Creating a suntan

Tags

PS.4.B

PS.4.A

John is a lifeguard who spends most of his time under the sun. What could be the main cause if he develops skin cancer?

• Damage to his DNA due to prolonged sun exposure

• Exposure to melanin

• Lack of UV light

• Presence of suntan

Tags

PS.4.B

PS.4.A

Imagine you are at the beach on a sunny day. Does having more melanin in your skin provide complete protection against skin damage?

• Yes

• No

• It depends on the person

• Only during a suntan

Tags

PS.4.B

PS.4.A