8th Grade Science Fall CBA Review

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What causes the seasons on Earth?

Back

The seasons are caused by Earth's tilt on its axis and its revolution around the Sun.

Front

What is net force?

Back

Net force is the overall force acting on an object when all the individual forces are combined.

Front

In which direction will an object move when unbalanced forces act on it?

Back

An object will move in the direction of the larger force.

Front

What hemisphere do we live in if we are in the northern part of the Earth?

Back

We live in the Northern Hemisphere.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is the law of conservation of energy?

Back

The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.