Describe how change involves energy.
Answers
Answer:
an alteration in the physical and chemical properties of matter due to the effect of some kind of energy. E.g. Here ice get energy from the surroundings and get converted into water. means here energy is involved in changing the state of ice to liquid....
Answer:
A change can be defined as an alteration in the physical and chemical properties of matter due to the effect of some kind of energy. E.g. cooking, digestion of food.
How the ice is converted into water? did you got this doubt?
Here ice get energy from the surroundings and get converted into water. means here energy is involved in changing the state of ice to liquid.
You mom cook rice. where she cooks the rice on a stove. here stove supplies heat energy to for cooking.
From the above 2 examples you can understand that change involves energy.
Melting of ice is a change. Heat is requied to melt ice. Heat is a form of energy. When you tear a paper, your body uses some energy. Tearing of a paper is a physical change. Some changes produce energy. When fuels burn, they undergo a change. They produce heat, light and few other substances. Heat and light are forms of energy. Energy is involved wherever a change occurs