science
What is a benefit of producing electricity using solar cells
. They do not create pollution
what produces light and heat in the solar system
the sun
Which planet orbits between the Earth and Jupiter
mars
Which planet is the fifth one from the Sun
jupiter
Which planet is the biggest, and it has a red spot in the center
jupiter
What do solar cells use to generate electricity?
What are the two main conditions required to see a rainbow
rain and sunlight
Which planet is also known as the Morning star and Evening star?
venus
How does light move?
straight line
Which planet is called the ocean planet?(
earth
What causes a rainbow to form?
Reflection of light b) Refraction of light
c) Both A and B d) None of the above
c) Both A and B
Which one is a natural source of light?
the sun
What do solar cells use to generate electricity?
sunlight
Which object can reflect light the best
Wood b. Paper c. Mirror d. Blackboard
mirror
What shape is a rainbow?
circle
Which phenomenon does NOT occur because of refraction?
. Rainbow
b. Seeing an image of a bent spoon in a glass of water
c. Seeing an image of yourself in a smooth surface mirror
d. Seeing an image of a fish in a pond that is shallower than reality
c. Seeing an image of yourself in a smooth surface mirror
What happens to solar cells when the sun is shining?
They produce electricity.
Why is solar energy considered free?
It comes from the sun, which we don’t pay for.
What can solar energy be used for??(
Cooking food b) Heating water c) Powering homes
What type of light creates a rainbow?
white
What do you call the action where light hits an object and rebounds?(
Reflection of light
What do you call the action where light hits an object and rebounds
reflection
What is the term for the bending of light that creates a rainbow?(
refraction
How do the eight planets orbit?
. Orbit around the Sun and rotate themselves
What is the use of the iris?
Controls how much light goes into the eye