Year 8 Energy Revision Flashcard

Front

Batteries store energy as _________ energy.

Back

chemical

Front

Fill in the blanks with the correct sequence: The uranium atoms contain __________ energy. The heat from their fission increases the __________ energy of the water. The spinning of the turbines is __________ energy that then generates __________ energy used in people’s homes. Options: nuclear, thermal, kinetic, electrical

Back

nuclear, thermal, kinetic, electrical

Front

Which of these has kinetic energy? a book sitting on a shelf, hat and gloves on a table, cars parked in a parking lot, a child kicking a soccer ball

Back

a child kicking a soccer ball

Front

Which of these has elastic potential energy? a vase sitting on a shelf, a stretched rubber band, a child moving down a slide, sugars stored in the molecules of food

Back

a stretched rubber band

Front

Which of these best illustrates chemical potential energy? a dog playing fetch, gasoline in a gas tank, water moving down a hill, a skydiver about to jump out of a plane

Back

gasoline in a gas tank

Front

What energy transformation takes place when a hair dryer is used?

Back

Electrical energy is transformed to mechanical, sound and thermal energy

Front

A scientist performed an experiment measuring energy transferred in each step. The total energy transferred was less than the initial amount. What is the most likely explanation?

Back

Some energy was transformed into unwanted heat or sound that was not detected.

Front

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

Back

chemical energy to mechanical energy

Front

Which energy transformation occurs when a lamp plugged into a wall socket functions correctly?

Back

Electrical to light

Front

According to the Law of Conservation of Energy, energy cannot be _________ or ____________.

Back

created, destroyed