Which changes below are reversible?

Which mixture below can be separated with filtering?

The combination of two or more substance without creating a new substance and can be separated is called _____.

A change happens without creating a new substance

The change happens in the picture is _____ change.

A glass broken is a _____ change

Which separation method can be used to separate iron nails from a sack of sand?

Which separation method can be used to separate the salt from the water?

Human growth is _____ change.

How to separate solid and solid mixture?

Which solids below are soluble solid?

When a solid is said to be soluble, what does it mean?

saturated solution means the liquid solution can no longer dissolving anymore solid added into it.

A change is called temporary when it creates new substance in the process.

A change is permanent because it changed into a new substance so it cannot return to its previous form.

When a solid is said to be dissolved in water, you can still see it in the water.

You can use magnet to separate pebbles (rock) from flour.

baking cookies is a chemical change.

Boiling an egg is a physical change.

Boiling water is a physical/reversible change.

turning sugar into caramel is a chemical change because a new substance is created in the process.

mashing avocado into cream-like form is physical change because the substance in the avocado is still the same.

making a mixture is irreversible change because you are combining two substances.

Roasting chicken is a temporary change because the chicken is still chicken.