What is an Acid? An acid is a substance with the following properties: Sour taste Turns red or yellow when reacting with a [...]

What is a chemical change? A chemical change is when something is changed to form a new substance different from the old [...]

What is a Mixture? A mixture is a physical mix of substances that can be separated into their original parts. Types of [...]

What is a physical change? A physical change is a changes that changes the form of an object without changing the state of [...]

Properties of Metals All metals have similar properties. They shine when polished, and they conduct heat.   Other [...]

What is an Element? You already know what matter is if you looked at my post called Matter, but what makes up matter? Matter [...]

What is Matter? Matter makes up anything with mass and volume. But what is mass and volume?   Properties of Matter Mass [...]

What is the Periodic Table? The periodic table is a chart that scientists use to classify elements. Elements are substances [...]

What Is Chemistry? Chemistry, a branch of physical science, is the study of matter, physical and chemical properties of [...]