Last Science Quiz.

quantity can be measured.

If 1 minute= 60 seconds then how many seconds are there in 2 hours?

• 3600 seconds

• 7200 seconds

• 10800 seconds

• 14400 seconds

In a casting factory why is small mallet used on gold ornaments and bigger mallet used on iron?

• Because iron is white and gold is yellow.

• Because iron stores more energy than gold.

• Because iron is a magnetic body and gold isn't.

• None of the above

How can fish breathe underwater?

• Because they have gills.

• Because they have fins to move around the water.

• Because they have tail to change the direction.

• Because fish always live underwater.

If we throw a stone from a height it falls straight but if we throw a paper from a height it falls in a curve way, Why?

• Because stone is stronger than paper.

• Because stone has more mass than paper.

• Because stone is stone and paper is paper.

• Because stone is better than paper.

A 10kg mass is lifted up to a height of 5m from the ground. Calculate the P.E. stored in it.

• 500J

• 490J

• 480J

• 470J

• None of the above.

What type of circuit is this?

How much time does Saturn take to complete 1 round on its axis?

• 29.5 years

• 10 hours

• 10.5 hours

• 11 hours

When do leaves of trees fall according to the Nepali calendar?

• Saradh Ritu

• Grishma Ritu

• Shishir Ritu

• Vasanta Ritu

What do we need to make an electromagnet?

• Iron nail, Cell, Insulated Wire and Switch

• Iron nail, Cell and insulated wire.