A factor that changes in an experiment from manipulation of the independent variable is the ______.

An organized process used to gather observation and test a hypothesis is a(n)

A statement that describes what happens in nature is a

An explanation of an event that is based on repeated observations and experiments is a ________.

In an experiment to determine if the popping of popcorn is affected by the temperature at which it is stored, counting the popped kernels is an example of a(n)

In a graph, the variable on the horizontal axis is the _______.

The type of graph that would be used to show how some fixed quantity is broken down into parts is a _______.

In a graph showing how the temperature of a material changes over time, temperature change is the _______.

Of the following, the most correct way to express density is _______.

When an object moves in a circular path, it accelerates toward the center of the circle as a result of _______.

An object that is in free fall seems to be _______.

In the absence of air, a penny and a feather dropped from the same height will

The path of a projectile is

When a force is exerted on an object, an equal and opposite force is exerted by the object. These forces are referred to as ________.