View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Part 6, Chapter 29.

Multiple Choice Questions

1. Which of the following is not one of the five major extinction episodes on Earth?
(a) Triassic.
(b) Devonian.
(c) Toarcian.
(d) Cretaceous.

2. When French physicist Henri Becquerel accidentally left a packet of uranium salts on a photographic plate, what happened?
(a) An emission from the salts ruined the plate.
(b) The plate became magnetic.
(c) The salt crystals melted into the plate.
(d) The plate rusted.

3. The skeleton "Lucy" found in Ethiopia in 1974 is thought to come from the hominid species:
(a) Homo habilis.
(b) Kenyanthropus platyops.
(c) Australopithecines.
(d) Sahelanthropus tchadensis.

4. Continental drift refers to:
(a) Changing weather patterns.
(b) Tides affecting the shape of continents.
(c) Continents drifting apart.
(d) Unique cloud drifts over different continents.

5. Quarks are held together by gluons and make up what?
(a) Electrons and neutrons.
(b) Protons and neutrons.
(c) Electrons and protons.
(d) Neutrons and neutrinos.

Short Answer Questions

1. James Hutton was a geologist who wondered why:

2. The human body is composed of how many cells?

3. Astronomer Edmond Halley believed that the distance from the Earth to the sun could be deduced from the:

4. Astronomer Edmond Halley approached mathematician Sir Isaac Newton to get his help figuring out why planets:

5. Scientists believe that our planet is currently in a period of what?

(see the answer key)

This section contains 266 words (approx. 1 page at 300 words per page) View a FREE sample