It is a form of energy that is described as how high the temperature is.
Heat
It means processing waste materials to make another product.
Recycle
It is a product label that warns consumers that it can cause severe burns
Corrosive
It is a way of decomposing plant or animal matter into fertilizer.
Composting
It is an invisible layer of protective gases that circle the earth which proctects most of the harmful ultraviolet rays, or UV rays, from hitting Earth.
ozone layer
What process is involve when liquid turns into its gaseous state?
Evaporation
Serena has grown older, so her mother decided to donate her used clothes to the victims of the typhoon in Samar.
What waste management is shown by Serena’s mother?
Reusing
It is a 5R technique of waste management when you make the most out of the waste by regenerating energy such as using peelings of fruits and vegetables as plant fertilizers
recover
It is 5R techniques which simply means lessen the use of unnecessary materials.
reduce
Ability to be stretched and return to its original shape.
Elasticity
It is change that only happens when the appearance of the matter changes and no new material is formed.
Physical Change
Give the three major types of pollution:
Land, water and air pollution
Healthy trees absorbing this type of gas, reducing global warming.
Carbon Dioxide
Pedro used few big boxes to plant tomatoes instead of many small pots. What technique did he apply?
Reducing
This refers to used or consumed products or materials.
Wastes
What change occurs when sugar is dissolved in a glass of water?
Physical Change
This product label warns consumers of ingredients in the product that may cause allergy.
Food Allergen Warning
These materials are toxic to people, can cause injury, cannot be dumped straight into a landfill, can pollute the environment, and take too much time to decompose.
Harmful Materials
The ozone layer stops most of the harmful _____ from hitting Earth.
UV Rays
This forms when iron, oxygen, and water react with one another.
Rust
Why do plants need sunlight?
To make their own food
Refers to the practice of proper waste disposal.
Waste management
It is the main goal of 5Rs which aims to make the earth free of any garbage or waste material which also means ________.
It is a site for the disposal of waste materials.
landfill
It occurs when oxygen combines with another substance (as fuel) and produces fire with heat and light.
Combustion