P-2 Environmental management — Science STD 10 — Question

Fill in the blanks in the following statements:
In going across a period (right to left) in periodic table, the atomic size of the atom _________.

Implantation of embryo occurs in_________.

The animals belong to Porifera bear numerous pores on their body called __________ . (ostia / germ pore)

Fill in the following blanks with suitable words:
The form of carbon which is used as a lubricant at high temperature is __________.

Absolute humidity is measured in ______________

The Earth's gravitational force is always in the direction of the __________ of the Earth..

Complete the following sentences:
Short-sighted person cannot see _____ objects clearly. Short-sightedness can be corrected by using _____ lenses.

Gravititional waves are detected by __________.

Places on Earth exactly 90° to the direction of the moon experiences __________.

Fill in the blanks with suitable words:
When a ray of light enters a prism, it bends _____ the normal; as it leaves the prism, it bends ______ the normal.