Diversity in Living Organisms — Science STD 9 — Question

Fill in the following blanks with suitable word: Sound cannot travel through _____.

Fill in the following blanks with suitable word: The acceleration due to gravity on the moon is about ______ of that on the earth.

Physical changes are generally..........

As the temperature rises, particles move ________.

Fill in the following blanks with suitable word:
The ability of a body to do work is called _____. The ability of a body to do work because of its motion is called _______.

The total mechanical energy of a mass remains ___________ during free fall.

Give examples for the following: __________ are known to have pseudocoelom.

Atmosphere of Mars is rich in ____________.

Fill in the blanks.
Phloem transport ___________ from ________ to other parts of the plant.