It is a process in which a liquid changes into solid. This process involves the release or loss of heat.

It is the process in which a liquid changes into a gas.

This process requires the addition or absorption of heat. 

It is a change of state from gas to liquid. This process involves the release or loss of heat.

Identify what type of Physical Change.

Identify what type of change.

Identify what type of change.

Identify what type of physical change.

Identify what type of physical change.

It is a change that affects the form or appearance of a material but not its composition or chemical identity.

Stacking paper is a ...................... change.

A....................... is a change in which a new substance is not formed.

flatten a piece of clay or changing its shape is a ............................

.................is a physical change in state from liquid to gas.

.................is a physical change in state from solid to liquid

.................is a physical change in state from gas to liquid.

.................is a physical change in state from liquid to solid.

Making glass and candles are examples of ..........................................

Making pops by freezing liquids needs ...............................

A................... is a combination of two or more substances that keep their identities.

A ................... is a mixture in which the substances are evenly mixed.

Seawater is a .....................

Salad dressing is a ......................

A lemonade drink is a ...........................

....................... is a universal solvent.

A................... is the larger part of the solution that dissolves other substances.

A................... is the smaller part of the solution that dissolves in a solvent.

Water can dissolve oil.

.................... help water wash away oil.

Water alone can't clean up an oily mess.

What harmful effects can occur due to too much evaporation of water sources?

What harmful effects can result from the melting of glaciers?

What harmful effects are caused by corrosion as a chemical change?

What harmful effects can result from acid rain as a chemical change?

How can recycling benefit humans in minimizing the harmful effects of changes in materials?

What is a practical action for minimizing the harmful effects of changes in materials?

How can choosing eco-friendly alternatives minimize the harmful effects of changes in materials?

What is the benefit of proper disposal in minimizing the harmful effects of changes in materials?

Sarah lives in a city where there's heavy air pollution due to vehicle emissions and industrial activities. She often experiences coughing and breathing difficulties. What could be the cause of her health issues?

John's family runs a farm, and they use a lot of pesticides to protect their crops from pests. Recently, they noticed that some of their vegetables have traces of harmful chemicals. What could be the consequence of consuming these contaminated vegetables?

Pollution can affect the health of humans.

Pollution only affects air and water resources.

Food waste is only in poor countries

Food waste contributes to climate change.

Deforestation can destroy the habitat of wildlife.

High demand for logging materials contributes to the cutting down of trees in the forest.

Improper waste disposal can contribute to pollution.

Segregating garbage should only be followed in school and at home.

Self-discipline is needed to fully address the different environmental problems.

Caring for the environment is a responsibility only of adult members of society.

Burning of old tires

Smoke belching vehicles emit gases that cause change in the

composition of air. Which of the following is true about air pollution?

Recycling plastic bottles

Making compost pit

dumping garbage on the street corner

Using eco bag when buying groceries

Waste from factories that reach bodies of water causes change in the

water environment. Arrange the harmful effects in their proper sequence.

I. Fish die

II. Change in the smell of water

III. Change in the color of water

Household waste may change chemically that may cause harmful effects

to the environment. Q: Which of the following is the harmful effect of improper

disposal of household waste?

Which of the following should be practiced, to avoid the harmful effects

of change in materials to the air?

Which of the following should be done to make rotten vegetables and fruit scraps became useful?

I. burn them

II. throw them away anywhere

III. put them in a compost pit to become fertilizer

IV. collect and process them for animals feeds

Alexandra used old clothes to make a broom

When is a material harmful to one's environment?

burning of grasslands and using them for other purposes drives away animals living in it

burning plastic wastes, smoke from vehicles and factories

river clean-up drive

In what way freezing is useful?

In what way melting is useful?

Which of the following is a harmful effect?

The three states of matter are

We use this process to change water from a liquid to a solid

We use this process to change water from a solid to a liquid.

We use this process to change water from a liquid to a gas

We use this process to change water from a liquid to a solid

Cual opcion te habla sobre los 4 estados de la materia?

the opossite of sublimation (solid to gas) is:

WHAT IS IT?

it represents:

what is it?