Inv5.Exp2 Vocabulary

What is a magnetic field?

• A scalar quantity measuring magnetic strength
• A vector field where magnetic forces are observable
• A constant force that only affects metals
• A field that only exists inside magnets

Which statement best describes torque?

• The speed of rotation
• The mass of a rotating object
• The force causing rotation around an axis
• The distance from the rotation center

What characterizes the axis of rotation?

• It's always horizontal
• It's always vertical
• Points along it move in straight lines
• All points around it move in circles

What is the gravitational field?

• A scalar field affecting only large bodies
• A vector field explaining gravitational influence
• A field only present on Earth
• A constant force that never changes

How is the magnetic force characterized?

• It only causes attraction
• It only causes repulsion
• It causes attraction or repulsion due to charged particle motion
• It affects all materials equally

Where is Earth's mantle located?

• Between the core and crust
• Below the inner core
• Above the crust
• Within the outer core

What type of quantity is force?

• Scalar quantity
• Vector quantity
• Constant quantity
• Dependent variable

What is the geomagnetic field?

• A field only present at the poles
• Earth's magnetic field
• A field created by human activity
• A field present only in the atmosphere

What does an electric motor do?

• Converts mechanical energy to heat
• Converts chemical energy to electrical energy
• Converts electrical energy to mechanical energy
• Converts thermal energy to electrical energy

What are electric currents?

• Static charges in conductors
• Moving magnetic fields
• Stationary electromagnetic fields
• Moving charged particles in a conductor