Gaylord Nelson and Earth Day

How old do scientists think the Earth is?

• 4.6 billion years

• 4.6 million years

• 6.4 billion years

• 64.4 million years

Gaylord Nelson was a governor and senator from______

• Wisconsin

• Illinois

• Minnesota

• Michigan

Cities dumped ______________into lakes and rivers.

• sewage

• gas

• lead

Gasoline used to have lead in it.

• True

• False

What protects the Earth from too much radiation from the sun?

• radiation

• the ozone layer

• smog

• clouds

What message did the first Earth Day send to politicians?

In the late 1960's college students had organized teach-ins, marches and protests. What were they protesting?

• The war in Vietnam

• the use of pesticides

• the beaches were ruined in Santa Barbara

• incinerators burning all night