Energy Quiz

The law of conservation of energy states that energy cannot be ____________ or _________________.

• gained or released

• used or wasted

• heated or frozen

• created or destroyed

Which is the correct formula for calculating speed?

• speed = distance / time

• speed = distance + time

• speed = distance - time

• speed = distance x time

Which force will stop a moving truck?

• friction

• interia

• newtons

• balanced forces

The law of conservation of energy states that __________?

• energy can be used up but not created

• the amount of energy on Earth increases slowly over time

• the amount of energy on Earth decreases slowly over time

• energy cannot be created or destroyed, it can only change form

Which is not a form of energy?

• thermal

• light

• mechanical

• weight

Which best describes the type of energy that a bike sitting at the top of a hill has?

• kinetic

• potential

• sound

• chemical

Does a marble have more energy when it's falling through the air, or rolling slowly on the ground?

• falling through the air, because an object thats moving fast has more energy

• when it hits the ground because an object at rest has more energy

• the energy is the same falling or rolling slowly

The energy of a moving object is called

• potential

• electric

• heat

• kinetic

When work is done on an object, the amount of ______________ it has changes

• mass

• weight

• energy

• color