Separation of Substances — Science STD 6 — Question

What term is used for people who follow the scientific method to solve problems and make discoveries?

Why can our elbow not move backwards?

What type of waste materials rot completely when burried in the soil?

Will the tiny air bubbles seen before the water actually boils, also appear if we do this activity by reheating boiled water kept in an airtight bottle?

Which is the brightest star in the night sky?

Water kept in sunlight gets heat from sun and is evaporated. But how does water kept under the shade of a tree also get evaporated? Explain.

How does an organism living in soil breathe?

When you are writing in your notebook which part of the body are you moving?

Give two examples of different habitats of animals.

How are cactus adapted to survive in a desert?