Energy Conversions Worksheet

Define
Energy conversion:…………………………………………………...........
……………………………………………………………………………………….

Fill in the blank
1-rubber band in the toy airplane has a kind of potential energy called ……………… ……………….. ……………
2- when the band rubber is let go the stored energy becomes ……………… energy.
3- the energy you in stretching a rubber band becomes …………… potential energy.
4- ………………. Energy comes from the food you eat.
5- your body uses chemical energy to……………….
6- your chemical energy is converted into ………………… energy when you are active, it is also converted into ……………….. energy to maintain body temperature.
7- energy are needed for everything like ………….. our homes, getting ………… from the food you eat,
8- machines helps …………. Energy , and make energy ………… for you.
9- you can use hair dryer to change ………………. Energy into ………………. Energy to help you dry your hair.
10- you use electrical energy when you listen to the …………… , when you make ………… and when you take a …………….
11- ……………….. energy can easily be changed into other forms of energy
12- complete the table of energy conversions of the electrical energy
Electrical energy- …………………. Alarm clock
Chemical energy -- ……………….. battery
Electrical energy-- ………………… and ……………… Light bulb
Electrical energy --- ………………. And ……………… blender
Electrical energy ---- ………………,, ……………….. and ……………….. Hair dryer

13- Kinetic energy is converted into potential energy when an object moves against …………….
14- your body uses food to convert …………… energy into …………… energy and …………… energy.

Answer the questions:
1-how is elastic potential energy stored and released??
2- describe the kinetic- potential energy conversions that occur when a basketball bounces??