1. coal is burned in a furnace (chemical energy)
2. the burning coal heats water into steam (heat energy)
3. the steam turns metal turbines (producing moving energy)
4. this moving energy is converted in a generator into electrical energy
5. the electrical energy is converted into light, sound, and heat in appliances
A.
B.
5
3
2
an orange is picked from a tree
the orange is ripened by the Sun
the orange is squeezed into juice
a child drinks the juice
a child eats pancakes with maple syrup
a farmer collects maple tree sap in the spring
the summer sun heats the tree, and leaves grow
sap fréezes in a maple tree
the sap is heated and turns into maple syrup
maple syrup is poured on pancakes
a child rides a bicycle to school
the bicycle is assembled in a factory
metal is heated and bent to make the bicycle frame
iron ore is dug out of the ground
water is heated on a stove
steam whistles through the air
paper hanging from the ceiling moves
stove is set to high heat
aily Warm-Ups: Science
98