The Living Organisms and Their Surroundings — Science STD 6 — Question

Two like poles of magnets always:

Which of these methods could be used to separate an insoluble solid from a soluble solid?

The arrangement of leaves at a node is:

Directions: Read the passage (s) given be low and answer the questions that follow. Passage For thousands of years natural fibres were the only ones available for making fabrics. Now we have some fibres which are made from chemical substances. Such fibres which are made from chemical substances are called synthetic fibres. In ancient times the types of fibres not available was/ were:

Lunar eclipse occurs on ___________ day.

Scurvy is caused due to the deficiency of:

Consider the following phenomena:

1. Forest fire.
2. Growth of plants.
3. Low and high tides.
4. Occurrence of a rainbow.
5. Earthquakes.
6. Opening of a morning glory flower.

Which of the above phenomena can be classified as periodic changes?

Which of the following combines with water vapour or rain water to form acid rain?

Select an animal whose body is not streamlined, however when they move in water they make the body shape streamlined.

Direction: Read the passages given below and answer the questions that follow Passage. Mohan was boiling water in a pan for making tea. His brother Ram came there and observed that during boiling of water some bubbles are formed. He told his brother Mohan that boiling of water is a chemical change as gas is evolved in this process. But Mohan argued that this is not a chemical change. According to you what is the gas that is observed by Ram?