the start or cause of something
sources
100 years
centuries
people that lived in caves, especially in the Stone Age
cavemen
a device that uses electricity or burns fuel to provide heat for cooking
stove
water vapor
steam
a place under the earth's surface
underground
something made a time long ago
antique
a container where a light can shine and be protected
lantern
the power or ability to make something work or be active
energy
an outdoor party at which meat and vegetables are cooked over an open fire
barbecues
Something that makes heat by burning fuel
furnaces
