Quiz January 20 And 21
Short practice quiz for Science FCAT
- 1.Every insect has:
- A.
Wings
- B.
16 legs
- C.
An external skeleton
- D.
A nose
- 2.The part of an experiment in which a scientist predicts what will occur is called the
- A.
Theory
- B.
Hypothesis
- C.
Observation
- D.
Abstract
- 3.Which of the following is responsible for the creation of fossil fuels?
- A.
Oil derricks
- B.
The decomposition of animals and plants
- C.
Supernovae
- D.
Oil-burning stoves
- 4.Which of the following is the smallest unit of measure?
- A.
Microliter
- B.
Megaliter
- C.
Deciliter
- D.
Milliliter
- 5.Objects appear to be black when they:
- A.
Reflect all the rays of the color spectrum
- B.
Reflect some of the rays of the color spectrum
- C.
Absorb all of the rays of the color spectrum
- D.
Divert all of the rays of the color spectrum
- 6.Which of the following is an example of a chemical reaction?
- A.
Water boiling
- B.
Iron rusting
- C.
Wax melting
- D.
Water freezing
- 7.Why does the moon shine at night?
- A.
It absorbs the light of the sun.
- B.
It is made up of burning gas.
- C.
It reflects the light of the sun.
- D.
It reflects light from the Earth
- 8.Which cell part is known as the 'powerhouse' of the cell?
- A.
Mitochondria
- B.
Nucleus
- C.
Ribosomes
- D.
Protoplasm
- 9.Engineers are designing a five-story parking garage in an area where seismic activity has been detected. They are planning to do tests to make sure the parking garage can withstand an earthquake. Which would be the most effective procedure for these tests?
- A.
Apply simulated earthquake forces to a scale model of the garage.
- B.
Apply simulated earthquake forces during construction of the garage.
- C.
Apply simulated earthquake forces to the entire garage once it has been built.
- D.
Apply simulated earthquake forces that were used on other garages built in the same area.
- 10.Light travels at the speed of 300 000 kilometers per second (km/s). Which of these would light take the longest time to cross?
- A.
Galaxy
- B.
Nebula
- C.
Star system
- D.
Solar system
- 11.Studies from 1830 indicate that a remote island chain in the Pacific Ocean had 13 separate species of finches. Each finch species had a distinctive beak shape that was specialized for eating a particular type of food. In spite of these differences, there were strong similarities shared by the finches. A scientist hypothesized that the 13 species of finches descended from a common ancestor. Which of the following factors produced variation in the finch species?
- A.
Mutation
- B.
Extinction
- C.
Overpopulation
- D.
Artificial selection
- 12.According to the plate tectonic theory, when oceanic plates collide with continental plates, the denser oceanic plate is forced under the lighter continental plate. Which geologic feature is a result of this type of collision?
- A.
Hot spot
- B.
Abyssal plain
- C.
Midocean ridge
- D.
Composite volcano
- 13.Some thunderstorms are caused by convection resulting from the collision of two air masses. Which describes the collision involved in this type of thunderstorm?
- A.
Two cold fronts collide.
- B.
Two warm fronts collide.
- C.
A cold front moves into an area with warm air.
- D.
A warm front moves into an area with cold air.
- 14.Gravitational potential energy is the energy an object possesses due to its position relative to Earth’s surface. Which of the following involve the conversion of gravitational potential energy into electric energy?
- A.
Solar cell generators
- B.
Nuclear power plants
- C.
Wind electric generators
- D.
Hydroelectric power plants
- 15.In 1890, sixty European starlings (a species of bird) were introduced to New York City. There are now more than 200 million European starlings in North America. Which of the following is the most likely outcome of the increased population of European starlings?
- A.
Increased nonrenewable resources
- B.
Decrease in the number of native birds
- C.
Decrease in the number of predators of the birds
- D.
Increased food sources for the competing bird species
- 16.Most flower species reproduce sexually. A particular flower has a normal chromosome number of 38. The pollen grains of the flower contain sperm cells. During sexual reproduction, what is the number of chromosomes present in a sperm cell before the sperm cell joins an egg cell to form a zygote?
- A.
2
- B.
19
- C.
38
- D.
76
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