Motion — Science STD 9 — Question

Fill in the following blanks with suitable words: If a mixture contains iron filings as one of the constituents, if can be separated by using a ___________.

Fill in the blanks in the following statements: The subatomic particle not present in a hydrogen atom is _________.

Fill in the following blanks with suitable word:
A heavy ship floats in water because its ______ density is less than that of water.

Atmosphere of Earth is rich in ___________.

The term protoplasm was coined by _________.

Fibres are absent in __________ a type of connective tissue.

Complete the following statements: Isotopes have different mass numbers because their nuclei contain different number of _________.

Fill in the following blanks with suitable word: Newton’s second law of motion can be written as Force = mass × _______ or Force = _______ of change of _________.

Amoeba can change their __________ continuously.

Fill in the blanks.
________ are forms of complex tissue.