heat
Yes, evaporation is a physical change of phase.
Assuming you mean liquid water turning into gaseous water, that is a physical change, because it's still water (H2O.)
Changes of state are physical changes.
water turning into ice
Physical change, because the water is only changing state, from a gas to a liquid.
It causes matter to change by turning the water into gas which is vaporization, turning water into ice.
The formation of steam is a physical change. The chemical composition of steam (water vapor), is H2O, and the chemical composition of liquid water is H2O, so there is no chemical change going from liquid to gas (vapor/steam). Thus, it is a physical change.
A physical change is something that does not change the chemical makeup of a substance. For example, water turning into vapor is a physical change because the composition is not changed. Water vapor still has hydrogen and oxygen just like water.
No, the bubbles in boiling water for noodles do not indicate a chemical change. The bubbles are formed due to the physical process of water reaching its boiling point and turning into steam bubbles. This is a physical change, as only the state of the water molecules is changing, not their chemical composition.
Chemical changes are those in which the chemical composition of a substance changes during the process. But when steam turns into water or vice versa, only the physical state of the substance undergoes a change but the chemical composition remains same. Thus steam turning into water is a physical change.
The physical properties of water will change when it freezes, turning from a liquid to a solid.
A physical change does not create a different chemical compound. Grinding a brick into a fine powder is a physical change. Freezing water is a physical change. Melting wax is a physical change.