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Science

Pure Substances and Mixtures

QuestionAnswer
What is matter? Anything that has mass and takes up space.
What is Chemistry? The study of matter and its changes.
What are 5 key points about the particle theory?(3) 1.All matter is made of tiny particles 2.Particles have empty space between them 3.Even though you can't see them, particles move randomly all the time
What are 5 key points about the particle theory?(2) 4. Particles are faster and move farther apart when heated 5.Particles attract each other so they stay together instead of moving apart
What is a Solid? A state of matter with a definite volume and shape.
What is a Liquid? A state of matter with a definite volume but no definite shape. a liquid takes the shape of its container
What is a Gas? a state of matter that neither has a definite volume or shape
How Does a Solid Move, And How are the Particles Arranged? They are packed closely together and stay in the same positions but move all the time.
How Does a Liquid Move, And How are the Particles Arranged? The particles are close together but they move randomly in any direction.
How Does a Gas Move, And How are the Particles Arranged? They are very far apart and move randomly around. They can also escape a container that isn't sealed
What is a Pure Substance? It is a type of matter that contains only one kind of particle.
What are 4 examples of a pure substance? 1. Aluminum foil 2.Sugar 3.Uranium 4.Distilled Water
What Are Two Important Facts About Pure Substances? 1. There are many pure substances, but only a few are found in nature. 2. Most pure substances that we encounter in our lives have been made pure by human beings.
What is a mixture? It is matter that contains two or more pure substances mixed together.
What are 4 examples of a mixture? 1.Steel 2.Batteries 3.Milk 4.Air
Which Mixtures can be harmful to the environment? 1. Paint 2. Batteries 3. Fluorescent light bulbs
Created by: Ally<3