SSC (English Medium) ८ वीं कक्षा - Maharashtra State Board Question Bank Solutions

The heat contained in a substance is the measures of the ______ kinetic energy of atoms in the substance. 

Nishigandha kept a vessel containing all the ingredients for making tea in a solar cooker. Shivani kept a similar vessel on a stove. Whose tea will be ready first and why?

Explain why rails have gaps at specific distances.

At 15^∘C the height of Eifel tower is 324 m. If it is made of iron, what will be the increase in length in cm, at 30^∘C?

Give scientific reasons:

As the sound wave propagates from one place to the other in air, the air itself is not required to move from one place to the other.

Explain the experiment, with a neat diagram, to prove the following:
'Sound needs material medium for propagation.'

Describe the construction, working and usefulness of a dry cell, with the help of a diagram. 

What is the difference in the atomic models of Thomson and Rutherford?

For measuring large distances ___________ is used as a unit.

The speed of light is __________ km/s

Give scientific reason.

Atom is electrically neutral.

Stars are born out of _________ clouds.

Stars are spheres of ______ gas.

Draw a neat labelled diagram.

Thomson's atomic model

Light takes ______ to reach us from the Sun while it takes ______ to reach us from the moon.

Give my information

Biome

Give scientific reasons.

Plants in an ecosystem are called producers.

Give scientific reasons

Rhinos were restored in Dudhwa forest. 

Differentiate between evergreen forests and grasslands. 

Why indicator does not get affected by salt?