Matter & Properties
Anything that has mass and takes up space is called this.
What is mass?
The basic particle from which all elements are made.
What is an Atom?
The amount of matter in an object.
What is mass?
Complete the formula: Density = mass divided by _____.
Volume
Melting ice is this type of change.
A type of property can be observed without changing a substance into another substance.
What is a Physical property?
A pure substance that cannot be broken down into other substances by chemical or physical means.
What is an element?
The amount of space matter occupies.
What is volume?
A sample has a mass of 24 g and volume of 8 cm³. Find its density.
What is 3 g/cm³?
Burning natural gas and forming new substances is this type of change.
What is Chemical Change?
This is the ability of carbon dioxide to combine with water is this type of property.
What is a Chemical property?
A group of two or more atoms held together by chemical bonds.
What is a molecule?
The force of gravity acting on an object.
What is weight?
A sample has a mass of 45 g and volume of 9 cm³. Find its density.
What is 5 g/cm³?
During this type of change, energy is absorbed.
What is Endothermic change?
A single kind of matter that is pure and has a specific set of properties is called this.
What is a substance?
A two or more substances together in the same place but not chemically bonded.
What is a mixture?
This measurement can change when the force of gravity changes, while mass does not.
What is weight?
An object denser than water will usually do this.
What is sink?
During this type of change, energy is released.
What is Exothermic change?
Gold’s luster and ability to conduct electricity are examples of these.
What are Physical Properties?
A substance made of two or more elements chemically combined in a specific ratio.
What is a compound?
Liquids are commonly measured using these two metric units.
What are Liters and milliliters?
In general, as temperature increases, most substances become ____ dense.
Less
This law says matter is neither created nor destroyed during physical or chemical changes.
What is the Law of conservation of mass?