The measurement of the force of gravity on an object is the object's ________.

The formula for density is

The unit for density is _____.

How many milligrams are in a gram?

Which skill are you using when you use your five senses to gather information?

_______ is the process of learning about the natural world.

A statement that describes what scientists expect to happen every time under a given set of conditions is called a scientific _______.

Facts, figures, and other evidence learned through observation are called _______.

In an experiment, the variable that changes as a result of changes in the manipulated variable is the ___________.

A good hypothesis must be ______ by observation or experiment.

In a controlled experiment, a scientist is studying how long it will take ice cubes of different sizes to melt at 50 degrees celsius. What is the manipulated variable in this experiment?

A ____ is a well-tested idea and explains a wide range of observations.

_____ is the study of matter and energy and the changes that matter and energy undergo.

Any factor that can change during an experiment is called a ______.

Substances that cannot be broken down chemically into other substances are ________.

All elements are composed of extremely small particles called _____.

When you describe the color, texture, and hardness of a substance, you are giving examples of the substance's ______.

Which type of matter consists of two or more substances that are not chemically combined?

This type of matter consists of two or more elements that are chemically combined in a specific ratio.

Making toast, burning wood, and the rusting of iron are all examples of a ____ change.

Cutting up paper,freezing water, and dissolving salt in water are all examples of a ___ change.

True or false. Each specific substance can be identified by its properties.

Elements can be represented using ____, which are made up of one or two letters.

Lucky Charms is an example of a ______.

A ____ is a state of matter that has a definite volume and a definite shape.

Particles of a ____ are free to move within a container but remain in close contact with one another.

The resistance of a liquid to flowing is its ______.

Which state of matter undergoes changes of volume most easily?

What is the term that describes a gas changing into a liquid?

When a substance changes from a solid to a gas without passing through the liquid state, it is called _____.

The particles of a ____ spread apart and fill all the space available to them.

When a liquid turns into a solid it is called ____.

____ is a liquid becoming a gas.

A change of state occurs when the particles of a substance undergo an increase or decrease in ______.

Glass and plastic are examples of solids in which the particles are not arranged in a regular pattern and are called _____ solids.

____ is the process in which vaporization takes place only at the surface of the liquid.

NaCl is the ____ for sodium chloride.

The energy a substance has from the movement of its particles is called _____ energy

The density of a block of wood with a volume of 200 cubic centimeters and a mass of 100 grams is ____ g/cc

Thermal energy always flows from a ____ substance to a ____ substance.

Solids that have particles arranged in a regular, repeating pattern are known as _______ solids.

____ is the process in which vaporization takes place throughout the entire liquid.

Which country developed the metric system?

________ is the amount of matter in an object.

______ is the amount of space an object takes up.

________ is the amount of matter in a given amount of space.