& Sciences Exam Questions With
Accurate Answers
Altimeter - ANSWER-An instrument that uses air pressure to record height, such as the
height of an airplane.
Anemometer - ANSWER-An instrument to measure wind speed.
Angiosperm - ANSWER-A group of plants that produce seeds enclosed within an ovary,
which may mature into a fruit.
Annuals - ANSWER-Plants that die after one growing season.
Asexual Reproduction - ANSWER-Reproduction involving ONE parent only.
Atmosphere - ANSWER-The Earth's atmosphere is primarily nitrogen and oxygen.
- atmosphere extends to the surface of about 10km.
- stratosphere extends from 10km to 50km
- mesosphere extends from 50km to 80km
- thermosphere extends beyond 80km
Aurora Borealis (Northern Lights) - ANSWER-Light emission from the upper
atmosphere that appear in many shapes and colors.
Bacillus - ANSWER-a rod-shaped bacteria.
Blood - ANSWER-Fluid that circulates throughout the body of an animal, distributing
nutrients (usually oxygen).
, Canopy - ANSWER-A layer of tree branches and other vegetation elevated above the
ground.
Carbon Dioxide (C02) - ANSWER-A colorless, odorless gas that is important in the
Earth's atmospheric greenhouse effect.
Carcinogen - ANSWER-A substance that can lead to cancer.
Carcinoma - ANSWER-A malignant (infectious) tumor, which forms in the skin and
outside of internal organs.
Carnivore - ANSWER-An organism that eats meat, which includes animals, fungi, and
plants.
Ceilometer - ANSWER-An instrument that measures cloud height.
Cell - ANSWER-A fundamental unit of all light. The cell consists of an outer plasma
membrane, the cytoplasm, and genetic material (DNA).
Celsius - ANSWER-A temperature scale which freezes at 0 degrees and boils at 100
degrees.
Chemical Properties - ANSWER-Properties that do change the chemical nature of
matter.
- change results in an entirely different kind of matter.
- burning, tarnishing, rusting, decomposing
Chemotherapy - ANSWER-A cancer treatment that includes chemicals toxic to
malignant (infected) cells.
Chinook Wind - ANSWER-A warm, dry wind on the eastern side of the Rocky
Mountains.