Photosynthesis and Light

__________ is the ultimate source of energy for living things on Earth.

• Moon

• Sun

• Food

• Water

• Soil

Sunlight is ______________, but its spectrum is comprised of ____ main colors.

• white, 5

• yellow, 5

• white, 7

• yellow, 7

Select the correct order of colors in the spectrum.

• red, violet, dark blue, green, yellow, light blue, orange

• red, green, orange, yellow, light blue, dark blue, violet

• red, yellow, green, light blue, violet, dark blue, orange

• red, orange, yellow, green, light blue, dark blue, violet

The petals of this rose ____________ the red color of the spectrum.

• reflect

• absorb

• conduct

• shine

The petals of this dandelion ____________ the violet color of the spectrum.

• reflect

• absorb

• conduct

• shine

What happens in the light reactions of the photosynthesis process?

• The plant produces sugar.

• The plant absorbs sunlight.

• The plant grows towards the sun.

• The plant consumes produced sugar.

What happens in the dark reactions of the photosynthesis process?

• The plant produces sugar.

• The plant absorbs sunlight.

• The plant grows towards the sun.

• The plant consumes produced sugar.

What are the two products of photosynthesis?

• Sugar (food) and water

• Sugar (food) and oxygen

• Oxygen and warer

• Carbon dioxide and sugar (food)

Chlorophyll absorbs the sunlight needed for photosynthesis.

• Oh yeah!

• Nah!

How do we call the main pigment in plants?

• Chloroplast

• Chlorophyll

• Cellulose

• Cytoplasm