midterm exam

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object. It is a vector quantity, meaning it has both magnitude and direction.

Tags

NGSS.MS-PS2-2

Front

How do you calculate net force?

Back

Net force is calculated by summing all the forces acting on an object. If forces are in the same direction, you add them; if they are in opposite directions, you subtract.

Tags

NGSS.MS-PS2-2

Front

What does it mean for forces to be balanced?

Back

Balanced forces occur when two or more forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.

Tags

NGSS.3-PS2-1

Front

What is the total number of atoms in a chemical formula?

Back

Tags

NGSS.MS-PS1-1

Front

How many atoms of Magnesium are in 10MgCl2?

Back

There are 10 atoms of Magnesium in 10MgCl2 because the coefficient (10) indicates the number of Mg atoms.

Tags

NGSS.MS-PS1-1

Front

What is the formula for calculating force?

Back

Tags

NGSS.MS-PS2-2

Front

What is the difference between mass and weight?

Back

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

Front

What is a chemical formula?

Back

A chemical formula is a way of expressing the composition of a substance using symbols for its constituent elements and numbers to indicate the quantity of each element.

Tags

NGSS.MS-PS1-1

Front

What is the principle of conservation of energy?

Back

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

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-2

NGSS.HS-PS3-3

NGSS.HS-PS3-4

Front

What is kinetic energy?

Back

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5