Essential Vocabulary Words for TEKS 7.7D

Fill in the blank: A push or pull that can cause an object to move, stop, or change direction is called _______.

• Force

• Energy

• Mass

• Velocity

Equal forces acting on an object in opposite directions, resulting in no change in motion, is called _______.

• Balanced Force

• Unbalanced Force

• Gravitational Force

• Frictional Force

Fill in the blank: Forces that are not equal and cause a change in an object's motion are called _______.

• Unbalanced Force

• Balanced Force

• Gravitational Force

• Frictional Force

Fill in the blank: The law stating that an object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force is called _______.

• Newton’s First Law of Motion

• Newton’s Second Law of Motion

• Newton’s Third Law of Motion

• Law of Universal Gravitation

The tendency of an object to resist changes in its motion is called _______.

• Inertia

• Momentum

• Velocity

• Acceleration

Fill in the blank: A change in an object's position over time is called _______.

• Motion

• Rest

• Inertia

• Equilibrium

A state where an object is not in motion is called _______.

• Rest

• Motion

• Acceleration

• Velocity

A force that opposes motion between two surfaces that are in contact is called _______.

• Friction

• Gravity

• Magnetism

• Inertia

Fill in the blank: The force that pulls objects toward the center of the Earth is called _______.

• Gravity

• Magnetism

• Friction

• Electricity

Fill in the blank: A change in an object's velocity (speed or direction) due to an unbalanced force is called _______.

• Acceleration

• Inertia

• Momentum

• Friction