8th Grade Chemistry Chapter 1

A mixture that is so evenly mixed that you can't see the different parts and it is not easily separated.

If a substance changes from a solid to a liquid that is a _______________ change.

The law of conservation of mass states that no matter can be created or destroyed in any chemical or physical change.

The SI unit for volume is __________.

Density is the measure of the ___________ of an object in a given volume.

Thermal energy is _________.

Density canNOT be used to identify an unknown substance.

What is the SI unit for mass?

An example of a chemical change is __________.

A(n) ___________ is a substance that cannot be broken down into any other substance by chemical or physical means.

A physical change does NOT alter or change the form or appearance of matter.

Trail mix is an example of a heterogeneous mixture.

Mixtures can be separated by all examples EXCEPT ______________.

If an object sinks, that means its density is less than the liquid.

The line you read on a graduated cylinder is called the ____________.

Ice having the ability to melt is a chemical property.

A(n) is the basic particle from which all elements are made.

A physical property is a characteristic of a substance that can be observed ___________________.

Chemistry is the study of ____________ and how it changes.

The way to calculcate the density of an object is dividing the mass by the volume.

Which tool would you use to measure the mass of an object?

A mixture where you can see the different parts and can be easily separated out.

Finding the volume of an irregular object is done by ___________.

Endothermic change is __________.

A substance is a single kind of matter that is NOT pure.

An example of a physical change is __________.

Volume of a rectangular object can be calculated by _______________.

Temperature is the measure _______.

Guacamole is an example of a homogeneous mixture.

The ability for iron to rust is an example of a chemical property.

A(n) __________ is a substance made of two or more elements that are chemically combined in a set ratio.

Matter is ____________.

Weight and mass are the same thing.

Weight is the measure of the force of ________ on an object.

A(n) __________ is a group of two or more atoms held together by chemical bonds.

A chemical property is a characteristic of a substance that describes its ability to change into different substances.

Soy sauce is an example of a homogenous mixture.

The SI unit for Density is _________.

Exothermic change is __________.