Mid-term Exam Part 1

Front

What is Newton's 3rd Law?

Back

For every action there is an equal and opposite reaction.

Front

How many Oxygen (O) atoms are in the chemical formula for water?

Back

1

Front

Which type of elements are found on the left side of the staircase (zigzag line)?

Back

Metal

Front

This energy is due to the position and height.

Back

Potential energy

Front

A force is a __________ or __________ acting on an object.

Back

push, pull

Front

What is the definition of kinetic energy?

Back

The energy of an object due to its motion.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = ma).

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What are the three states of matter?

Back

Solid, liquid, gas.