What is the molecular structure of table salt?

Who was Dimitri Ivanovich Mendeleev?

the study of the composition, structure, and properties of matter as well as changes in matter

• are the measurable aspects of something 

Any substance that has mass and takes up space.

A pure substance of one type of atom.

A substance composed of atoms from more than one element held together by chemical bonds.

Two or more substances which are mixed but not but not held together by chemical bonds.

A mixture composed of two or more substances, where one substance is dissolved into another substance.

Sodium is a

Sodium chloride (NaCl) is a

Sodium chloride (NaCl) dissolved in water is a

Trail mix is an example of a

Molecules are closely packed, rigid shape and volume.

Definite volume, but conforms to the shape of its container.

Molecules are widely separated, both shape and volume determined by its container.

No definite shape or volume, electrically conductive, examples are lightning, neon lights, and the sun's corona.

Phase change that occurs when a liquid turns into a solid.

Phase change that occurs when a solid turns into a liquid.

Phase change that occurs when a liquid turns into a gas.

Phase change that occurs when a liquid turns into a solid.

Phase change that occurs when a gas turns into a liquid.

Phase change that occurs when a gas turns into a solid.

Phase change that occurs when a solid turns into a gas.

Occurs when one substance combines with another substance to create a new substance

Process that occurs when reactants undergo a chemical change to yield products

A property that is measurable, such as color, mass, or length.

A property that can't be determined by viewing or touching a substance, such as flammability, toxicity, or heat of combustion.

A metric unit for length.

A metric unit for mass.

A metric unit for volume.

A metric unit for volume.

Before beginning an experiment, you should always,

While conducting an experiment, Jimmy accidently knocked over a glass beaker filled with a flammable substance. What should he do?

At the end of an experiment, you should always

Identify the tool used to measure the LENGTH of a piece of paper.

Identify the tool used to measure the VOLUME of a cup of water.

Identify the tool used to measure the mass of a rock.

Metric unit used to measure the TEMPERATURE of a cup of water.

Metric unit used to measure the LENGTH of a fence.

Metric unit used to measure the VOLUME of a cup of water

Metric unit used to measure the MASS of a rock

Identify the scientific tool

Identify the scientific tool

Identify the scientific tool

What is the volume of water being shown?

What is the mass shown on this balance?

The statement "There are 6 sticky notes on the board" is an example of a

The statement "The man fainted after he realized he missed his deadline" is an example of a

A prediction or statement that can be tested is called a

A factor that is changed in an experiment is called a(n)

True or false: You should repeat an experiment multiple times for reliable results.

Approaches taken to solve a problem in science are called the scientific

All matter is made of what

All matter is made of what

The central region of an atom where its neutrons and protons are is called it's __________ .

When you cool matter, what happens to the atoms and molecules?

What is matter?

State of matter with a definite shape and definite volume.

State of matter with a definite volume, but no definite shape.

State of matter with no definite shape and no definite volume.

Particles are widely spaced except when they collide.

Particles are not so closely spaced and slide past each other.

What is the original source of the most of the energy that people use?