Light Properties
What is the main source of light?
The Sun
What are all the parts of a plant?
Roots, stem, leaves, and flower.
Where does photosynthesis take place?
The Leaves
The light from the flashlight will shine on wall because _____________.
A. light is absorbed
B. light is bent or refracted
C. light is reflected
D. light travels in a straight line
D. light travels in a straight line
A lamp was placed next to a sunflower. Which direction will the sunflower grow?
The sunflower will grow towards the light
What does mean for light to be absorbed?
a. To allow light to bend as it passes through an object
b. To allow light to bounce in the opposite direction
c. To allow light to be taking in
c. To allow light to be taking in
What part of the plant has tiny tubes that move water and minerals?
The stem
What is being taking in through photosynthesis?
Carbon Dioxide + Water + Sunlight
Ms. Baksh holds a mirror in the light and see a spot flashing on the wall. What conclusion can Ms. Baksh make?
A. It reflects light onto the wall.
B. It reflects light into the air.
C. It absorbs the light.
D. It bends or refracts the light.
B. It reflects light onto the wall.
When light hits a mirror it will:
a. Refract
b. Reflect
c. Absorb
b. Reflect
What does mean for light to reflect?
To allow light to bounce in the opposite direction
What are the two types of roots?
Taproot and fibrous roots
What does photosynthesis produce?
Oxygen + Glucose (Sugar)
On Tuesday, Andrew wore a white T-shirt to P.E. On Thursday he wore a black shirt to P.E. He noticed that on Thursday he was more hot. What could explain why Andrew feels a difference in temperature when he wears T-shirts of different colors?
Dark colors absorb more light energy, while light colors reflect more light energy.
What is the best way to make a shadow?
Answers may vary
What does mean for light to refract?
To allow light to bend as it passes through an object
What does the pollen on a flower help do?
Help produce seeds through pollination.
What do trees make with light, air, and water?
Food
Mrs. Sarah plotted tomatoes inside our classroom and outside in the garden. She gave both sets of tomatoes the same amount of water. Which set of tomatoes grew more and why?
Tomatoes in the garden because of the natural sunlight for photosynthesis.
What part of the plant has pollen?
The stamen or anther
How does light energy travel? Which ones are incorrect?
a. Light moves in waves
b. Black reflects all light
c. Light reflects off glass.
d. Water absorbs all light.
e. Water refracts all light.
b. Black reflects all light
d. Water absorbs all light.
What are the functions of the leaves?
Photosynthesis - To make food.
How would changing the amount of sunlight affect a plant?
It may be able to perform photosynthesis for a longer or shorter amount of time depending on hours of sunlight it gets.
The vines on a plant are growing downward. What is the cause of this?
Gravity
All plants reproduce the same way.
False, not all plants have flowers.