Science quiz

What percentage of air is oxygen

• 0.03%

• 21%

• 78%

• 0.09%

Which is luminous

• Window

• Mirror

• Light

• Reflection

which is translucent

• Poly pocket

• Window

• Cardboard box

• Mirror

How does light travel

• Zig zag line

• Wavy line

• Straight line

Which is a solute

• Water

• Milk

• Sugar

• Wood

What is the star in our solar system

• Moon

• sun

What is a day

• When the earth spins on its axis

• When the earth orbits the sun

What is a year

• When the earth orbits the sun

• When the earth spins on its axis