SCIENCE 5 - QUIZ #1

Changes that are usually about states of matter.

• Heat transfer

• Physical change

• Chemical change

• Catalyst

A biological process that occurs when organic matter is decomposed by bacteria in the absence of oxygen.

• Anaerobic decomposition
• Photosynthesis
• Composting

• Aerobic decomposition

It is the process when organic materials decompose in the presence of oxygen.

• Chemical Reaction

• Composting

• Aerobic decomposition

• Anaerobic decomposition

It is the well-known example of corrosion.

• Erosion

• Alloying

• Oxidation

• Rusting

The final product of composting.

• Compost
• Soil
• Mud

• Fertilizer

New is not always better, nor it is always necessary.

• TRUE

• FALSE

Humans affect ecosystems both directly and indirectly.

• FALSE

• TRUE

When metal is heated, it compressed.

• FALSE

• TRUE

Mang Demi is also known as Sun Demi.

• TRUE

• FALSE

It’s not important to understand the difference of chemical and physical change.

• TRUE

• FALSE