Great Discoveries and American Adventures & SpaceShipOne

If someone ____________ a place, he or she damaged it while looking for something.

• outskirts

• precious

• ransacked

• authorities

The ________of a city or town are its outer edges, farthest away from the center

• ransacked

• outskirts

• precious

• authorities

Something that is_________ has value and should be treated with care.

• ruthless

• authorities

• outskirts

• precious

_________ are the people in charge, who have the power to make decisions or give orders.

• ruthless

• authorities

• precious

• outskirts

Someone who is __________ shows no concern for other people and is very cruel.

• ruthless

• precious

• ransacked

• authorities

Something that _________ caught fire or exploded

• synthetic

• hybrid

• ignited

• exhaust

Something can be described as___________ if it is made up of two or more different things.

• synthetic

• hybrid

• institution

• ignited

A ____________ item is artificial rather than natural.

• hybrid

• physics

• institution

• synthetic

______________ is the gas that comes out of an engine as a waste product.

• institution

• hybrid

• Exhaust

• physics

is the scientific study of matter and energy.

• physics

• institution

• hybrid

• synthetic