SCIENCE "Chemical Properties of Matter"

All of the following are chemical properties of matter EXCEPT

• biodegradability

• elasticity

• flammability

• combustibility

How do you call the ability of a material to decompose?

• combustibility

• biodegradability

• malleability

• flammability

Which of the following materials has the ability to ignite

or catch fire easily?

• dried leaves

• fresh fruit peeling

• leftover foods

• metals

Which of the following materials is biodegradable?

• rubber

• bottles

• plastic

• vegetables peelings

All of the following are flammable materials EXCEPT

• thinner

• oil

• kerosene

• distilled water

All of the following are evidences of chemical change EXCEPT

• Formation of gases

• Formation of new products

• Release of heat

• Flexibility of materials

Which of the following phases involves chemical change?

• freezing

• decomposition

• condensation

• precipitation

Decomposition is the process by which dead organic substances are broken down into simpler organic or inorganic matter such as carbon dioxide, water, simple sugars and mineral salts.

( Do you think decomposition is important? Explain your answer.)

When a gas turns into a liquid, it is called ___________________.

• Condensation

• Evaporation

• Melting

• Freezing

You see your younger brother playing with match. What will you do?