Anything that has mass and takes up space is known as this.
What is Matter?
What matter is made up of.
Cutting a piece of paper is an example of _________ change.
What is physical.
When two or more substances are mixed and a new substance is formed.
What is Chemical change?
The scientific study of what matter is made of and how it changes is called this.
What is chemistry.
People can use ___________ to describe matter.
What is properties.
What are too small to be seen.
During a physical change, the total ___________ of matter is conserved.
What is weight OR mass.
When a chemical change occurs, the total weight of matter does what?
What is stays the same?
Matter is made up of particles too small to be seen. The scientific name for these particles is this.
What is atoms.
Describe solubility.
What is the ability of a substance to dissolve?
What is an example of a particle?
What is - a type of matter.
What are the three states of matter?
What are gas, liquid, and solid.
What is an example of a chemical change?
This is a type of matter made up of a single type of matter.
What is an element?
Name three properties of matter.
What are - color, hardness, reflectivity, electrical conductivity, thermal conductivity, magnetism, and solubility?
Blowing up a balloon can be used as a ___________ to show that particles exist.
What is a model.
Describe a physical change.
What is matter that can change physically while remaining the same matter.
How do you know when a chemical change occurs.
What is - when new matter forms
OR
What is - the formation of gas, change in color, change in smell/odor, change in temperature/heat/cold, light forms, precipitate forms.
All of the atoms are this.
What is identical?
Explain how evidence can be used to describe matter.
What are observation or measurements can be used to describe types of matter?
What is an example of evidence that can be used to explain that matter is made of particles too small to be seen?
What is - 1. blowing up a balloon
2. evaporating liquids
3. dissolving a substance
How can you prove the total weight of matter is conserved during a physical change?
What is measure the matter before and after the change.
What kind of evidence of a chemical change would you expect to find when you burn a match.
What is light and/or heat?
Describe a molecule.
What is when atoms join together with other atoms?