Which of the following is a chemical reaction?
Which of the following is NOT a chemical reaction?
Which of the following is NOT a chemical reaction?
Determine whether the following examples are true (T) or false (F).
Changing the size and shapes of pieces of wood would be a chemical change.
In a physical change, the makeup of matter is changed.
Determine whether each example is a chemical (C) or physical (P) change.
Which of the following is a chemical reaction?
Which of the following is NOT a chemical reaction?
Which of the following is NOT a chemical reaction?
An example of a physical change is _______________________________________.
A physical change does not change the composition of the substance.
Select all examples of chemical changes.
Evaporation occurs when liquid water changes into a gas.
Evaporation is a physical change.
Burning wood is a physical change.
Combining hydrogen and oxygen to make water is a physical change.
Breaking up concrete is a physical change.
When ice cream melts, a chemical change occurs.
Acid rain damaging a marble statue is a physical change.
Two chemical are mixed together and a gas is produced.
A bicycle changes color as it rusts.
A bicycle changes color from rusting.
A bicycle changes color from being painted.
An ice cube is placed in the sun. Later there is a puddle of water. Later still the puddle is gone.
Two substances are mixed and light is produced.
A piece of ice melts and reacts with sodium.
Mixing salt and pepper.
A marshmallow is cut in half.
Vinegar curdling milk and creating chunks of whey.
A penny becoming oxidized, tarnished, and dull.
Creating a precipitate (solid) from two liquids.
Fireworks going off.