P1 Revision

True or False...

Energy transfers between stores

• True

• False

Complete the names of these energy stores...

- T______ Energy

- K______ Energy

- G____________ Energy

- E______ P________ Energy

- C_______ Energy

- M______ Energy

- E___________ Energy

- N______ Energy

Select ALL the ways that energy is transferred...

• Mechanically

  (By a force doing work)

• Electrically

  (Work done by moving charges)

• Heating/Radiation

  (Light/Sound)

• Physically

  (Pushing/Pulling)

• Mentally

  (Thinking)

Complete these sentences about System Changes (Energy Transfers): -

A system is a word used to describe a s_____ or g____ of objects.

When a system changes, e_____ is transferred, energy can be transferred i___ or a___ from the system, between o_____(s) in a system or between different types of e_____ s____(s).

Closed systems are systems where neither m_____ nor energy can e____ or l_____.

Fill in the blanks....

Work done is a way of saying that e_____ is t__________.

Work can be done when a c______ f___(s) or by f____ of a moving object.

Complete these sentences about Kinetic Energy...

Anything m_____ has e_____ in its kinetic energy store.

Energy is t___________ to this store when an object s____(s) up and is transferred away from this store when an object s___(s) d___.

The energy in the KES depends on the objects m___ and s____.

The greater and objects m___, the f_____ it is going, the more energy there will be in the kinetic store.

Complete the equation for Kinetic Energy...

Kinetic Energy (Ek) =

• 1/2 x Mass x Velocity

• 1/2 x Mass

  ----------------

  Velocity

• 1/2Mass + Velocity

• 1/2 x Velocity

  -----------------

  Mass

Complete these sentences about Gravitational Potential Energy...

Lifting an object in a gravitational field requires w___

W___ causes a t_______ of energy to the GPE store of the r_____ o_____.

The amount of energy in a GPE store depends on an objects m___, h_____ and s_______ of the gravitational field.

The h_____ the object the more e_____ is transferred.

Complete this equation for Gravitational Potential Energy

Gravitational Potential Energy (Ep) =

• Mass x Gravity x Height

• Mass x Gravity

  ------------------

  Height

• Mass x Height

  --------------------

  Gravity

• Gravity x Height

  --------------------

  Mass

Complete these sentences on Elastic Potential Energy...

St________ or sq_______ an object causes energy to be t__________ to this store, so long as it does not e_____ its l____ of proportionality.