Diversity In Living Organisms — Science STD 9 — Question

Name two effects a force can bring about other than moving or stopping a body.

Classify each of the following, as a physical or a chemical change. Give reasons:
Drying of a shirt in the sun.

What is the main function of vascular tissues in plants?

Given below are some example of wave motion. State in case, if the wave motion is transverse, longitudinal or a combination of both?
Ultrasonic waves in air produced by a vibrating quartz crystal.

Define irrigation.

Name the device or machines which convert:
Heat energy into kinetic energy (or mechanical energy).

Is the speed of sound more in water or in steel?

Name the scientist who explained the motion of planets on the basis of gravitational force between the sun and planets.