Which constituent in the air is the Plant nutrient?
Nitrogen
Oops!
Check
Okay!
Check
10
Identify the objects in the picture as luminous and non-luminous.
Non-Luminous objects.
Oops!
Check
Okay!
Check
heart
Other team wins 20 points!
Oops!
seesaw
Swap points!
Okay!
shark
Other team loses 10 points!
Okay!
thief
Give points!
5
10
15
20
25
20
On a sunny day, does a bird or an aeroplane flying high in the sky cast its shadow on the ground? Under what circumstances can we see their shadow on the ground?
No. They are at very high altitude due to which the ground which acts as screen for the shadow is far away.
Oops!
Check
Okay!
Check
20
Animals and plants are interdependent on each other. Justify the statement.
Animal release carbon dioxide gas while breathing which plants intake for photosynthesis.
Oops!
Check
Okay!
Check
15
What is Reflection
Bouncing back of light after hitting a surface is called as Reflection
Oops!
Check
Okay!
Check
10
The two gases which together make up about 99% of the air are
Nitrogen and Oxygen
Oops!
Check
Okay!
Check
15
Define Dispersion
The white light after passing through a prism splits into seven different colours called as Dispersion.
Oops!
Check
Okay!
Check
10
Mention any three properties of air.
Air is present everywhere around us. Moving air is called wind. Air is Transparent Air occupies space