History; Challenges Today: Technology

depletion

Exhaustion or emptying of supply or reserve.

satellite

Man-made object launched by rocket into space.

orbit

To travel in a path around the earth.

The competition between the U.S. and the Soviets in space was called the _____ race.

space

What are the practical results of space exploration?

•better computers •improved communications •ultra-strong plastics •weather satellites

What are the undesirable side effects of technology?

•pollution •unemployment •depletion of natural resources

What are possible, reasonable solutions to the depletion of natural resources?

•recycling •conservation •restoration •new resources and technology

solar

Having to do with or pertaining to the sun.

pesticide

Substance used to kill harmful insects or other organisms.

pollution

Uncleanness; impurity