Elements
This is the simplest type of substance, made of only one kind of atom.
What is an element
This compound is made of carbon and oxygen and is what we breathe out.
What is carbon dioxide
The chart that organizes all known elements by their properties.
What is the periodic table
Burning wood is this kind of change, because a new substance is formed.
chemical change
This is the name for the part of a solution that does the dissolving, like water in saltwater.
What is solvent
This is formed when two or more atoms join together.
What is a molecule
This common compound is made from sodium and chlorine and is used to season food.
What is table salt
This compound gives living things energy and is made of carbon, hydrogen, and oxygen in sugars.
What is carbohydrates
Tearing paper is this kind of change, because the substance stays the same.
What is a physical change
This is a mixture where one substance dissolves in another, like salt in water.
solution
This element is a gas at room temperature and makes up most of the air we breathe.
What is nitrogen
This is a substance made from two or more elements that are chemically joined.
What is a compound
How can you make a solute dissolve faster in a solvent?
Name the signs that a chemical change has occurred
What is color change, gas/bubbles, odor, temperature change, or formation of a new substance
In a solution of sugar water, sugar is called this.
solute
This element's symbol is Fe and it is used to make steel for buildings and cars.
What is Iron
True or False: Compounds can be broken down into simpler substances by physical changes.
What is false
This compound is often found in car batteries and is the world's largest volume industrial chemical, primarily used to make fertilizers.
What is sulfuric acid
When water boils and turns into steam, this type of change is happening.
What is evaporation - physical change
This is the process of separating a solid from a liquid in a mixture using a filter.
What is filtration
This element is a soft, silvery metal with the symbol Na and is highly reactive with water.
what is sodium
what is the chemical formula for baking soda - sodium bicarbonate
What is NACHO3
This compound is formed when hydrogen and oxygen combine and is often called 'laughing gas.'
What is nitrous oxide
This is the process where iron reacts with oxygen to form rust.
What is oxidation
This is a mixture where the different parts can be seen easily, like a salad.
what is heterogeneous mixture