red
blue
green
white
rainbow
10

It is a form of energy that is described as how high the temperature is.

Heat

10

It means processing waste materials to make another product.

Recycle

10

It is a product label that warns consumers that it can cause severe burns

Corrosive

10

It is a way of decomposing plant or animal matter into fertilizer.

Composting

10

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

20

What process is involve when liquid turns into its gaseous state? 

Evaporation

20

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

20

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

20

It is 5R techniques which simply means lessen the use of unnecessary materials.

reduce

20

Ability to be stretched and return to its original shape.

Elasticity

30

It is change that only happens when the appearance of the matter changes and no new material is formed.

Physical Change

30

Give the three major types of pollution:

Land, water and air pollution

30

Healthy trees absorbing this type of gas, reducing global warming.

Carbon Dioxide

30

Pedro used few big boxes to plant tomatoes instead of many small pots. What technique did he apply?

Reducing

30

This refers to used or consumed products or materials.

Wastes

40

What change occurs when sugar is dissolved in a glass of water?

Physical Change

40

This product label warns consumers of ingredients in the product that may cause allergy.

Food Allergen Warning

40

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

40

The ozone layer stops most of the harmful _____ from hitting Earth.

UV  Rays


40

This forms when iron, oxygen, and water react with one another.

Rust

50

Why do plants need sunlight?

To make their own food

50

Refers to the practice of proper waste disposal.

Waste management

50

It is the main goal of 5Rs which aims to make the earth free of any garbage or waste material which also means ________.

Zero Waste
50

It is a site for the disposal of waste materials.

landfill

50

It occurs when oxygen combines with another substance (as fuel) and produces fire with heat and light.

Combustion