Science Trivia Questions — page 100

On January 31, 2008, China announced that it will recycle these to resurface roads.

• AOld cars
• BOld tires
• CRobbie Williams Cds
• DCoal

Which is the greatest impact humans have had on the carbon cycle?

• Agrowing agricultural crops
• Bburning fossil fuels
• Cmanufacturing plastics
• Dclear-cutting forests

Rivers leave behind small pieces of rocks after they flood. These small pieces of rock form a floodplain. Which words best describe a floodplain?

• Along rows of ridges
• Brugged peaks
• Cmany sinkholes
• Dflat lands

An oceanic plate subducts under a continental plate. Which of these landforms most likely results from the interaction of these plates?

• Acontinental shelves
• Btransform boundaries
• Cnormal faults
• Dvolcanic mountains

This food is rich in omega – 3 fatty acids, magnesium and potassium.

• AOatmeal
• BSalmon
• CDark Chocolate
• DBerries

Which step in asexual reproduction would you expect to find in volvox but not in amoebas?

• Aformation of a cell plate
• Breplication of DNA
• Cdivision of cells
• Dseparation of chromatids

The property of matter that resists changes in motion is called

• Ainertia.
• Bgravity.
• Cfriction.
• Dweight.

What do we call an angle of less than 90 degrees?

• Aobtuse
• Bacute
• Creflex
• Doblique

It has been calculated that human beings can distinguish this many different colors.

• A10 millions
• B260 000
• C256
• D10 000

How does sedimentary rock form?

• Asediments compress
• Bsediments cool
• Csediments separate
• Dsediments melt

Part of the east coast of South America and the west coast of Africa have matching fossils within the same series of rock layers. This provides evidence that these two continents were once

• Aseparated by a much larger ocean
• Bjoined together as one landmass
• Clocated near the North Pole
• Din a different hemisphere

What do you study if you are studying entomology?

• AInsects
• BFish
• CHumans
• Dthe Brain

Bacteria consist of this number of cells.

• ABillions
• B1
• CMillions
• D3

As temperatures increase, which process is responsible for increasing the amount of water vapor in the atmosphere?

• Arespiration
• Bcondensation
• Cevaporation
• Dionization

Three gases found in Earth's atmosphere are carbon dioxide, nitrogen, and oxygen. What is their order of abundance from greatest to least?

• Aoxygen, nitrogen, carbon dioxide
• Bcarbon dioxide, oxygen, nitrogen
• Cnitrogen, oxygen, carbon dioxide
• Dnitrogen, carbon dioxide, oxygen

Some frog species will bury themselves in mud if the environment becomes very dry. The frogs enter into a type of hibernation. Which would be the most likely signal for the frogs to emerge from the mud?

• Aan increase in air temperature
• Ba decrease in daylight hours
• Ca decrease in air pressure
• Dan increase in precipitation

Several tomato plants are grown indoors next to a sunny window. The plants receive water and fertilizer and remain on the windowsill. What will most likely happen?

• AThe stem will bend toward the window.
• BMost of the leaves on the window side will wilt and die.
• CWater droplets will collect on the leaves facing away from the window.
• DThe roots of the plants will grow upward from the soil.

Where is the biological magnification of pollutants most likely to be the greatest?

• Aat an intertidal zone
• Bin an estuary
• Cin an open ocean
• Dat a hydrothermal vent

A drain cleaner consists of sodium hydroxide and aluminum. When the drain cleaner is added to water, bubbles of hydrogen are produced, and the solution becomes very hot. Which of these best describes what happens to form the bubbles when the cleaner is added to water? F

• ACondensation
• Bchemical reaction
• CEvaporation
• DA physical change

The word phlebo is of Greek origin, which comes from the root phlein, meaning to gush or to overflow. What part of the body does this word refer to?

• AVeins
• BCapillaries
• CAorta
• DArteries

About how old is Earth?

• A2.5 Billion Years
• B5.5 Billion Years
• C4.5 Billion Years
• D3.5 Billion Years

The change from day to night on Earth can be explained by

• Athe movement of the Moon.
• Bthe tilt of Earth.
• Cthe rotation of Earth.
• Dthe movement of the Sun.

A student finds a round, smooth pebble on a beach. Which action made the pebble smooth?

• Awaves moving
• Bwind blowing
• Crain falling
• Dsnow melting

How is the theory of plate tectonics different from a hypothesis regarding a certain aspect of plate movement?

• AThe theory can be evaluated by a single-variable experiment.
• BThe theory explains a number of related observations.
• CThe theory may change if new evidence emerges.
• DThe theory addresses an Earth-science topic.

Which food items can be broken down mostly into amino acids?

• Aspaghetti noodles
• Bapple slices
• Ccucumber slices
• Dhamburger patties

Strong winds have the ability to uproot large trees in a wooded area. Which of these organisms would most likely benefit from this change in a habitat?

• Aa bee colony that needs a hive
• Ba squirrel that needs to find shelter
• Ca plant that needs sunlight to grow
• Da bird that needs to build a nest

What is happening when rocks are broken down by both physical and chemical changes?

• Acondensation
• Bdecomposing
• Cdeposition
• Dweathering

Which interaction benefits both organisms?

• Aa mosquito biting a person
• Ba flea living on a dog
• Ca tapeworm living inside an animal
• Da bee pollinating a flower

Approximately how many times does the Moon revolve around Earth during one revolution of Earth around the Sun?

• A1
• B12
• C28
• D365

Which process in the water cycle is directly caused by the heat from the Sun?

• Astream flow
• Bcloud formation
• Cevaporation
• Drunoff

The islands in the mid-Pacific Ocean region were formed by

• Adeposition from currents.
• Bland subsidence.
• Cwind and water erosion.
• Dvolcanic activity.

All nations need to import and export goods for their economic survival. As a result, many island nations have developed advanced technology for transporting goods by

• Aspace.
• Bsea.
• Croad.
• Drail.

An ecosystem is a community of organisms interacting with their physical environment. Why are decomposers an important part of ecosystems?

• AThey produce their own food for survival.
• BThey play a role in preventing weathering and erosion.
• CThey provide most of the energy to consumers.
• DThey break down dead organisms to return nutrients to the soil.

Which type of energy is transferred from one object to another by simple machines?

• Anuclear
• Bchemical
• Cmechanical
• Delectrical

When a plant dies, it often decomposes and becomes part of the soil. This process is one step in which cycle?

• Acarbon
• Blunar
• Cenergy
• Dwater

Hereditary information is transmitted from parents to offspring through

• Ametamorphosis.
• Bgermination.
• Ccell division.
• Dgenes.

Which is the wrong statement about the features of Plutos orbit?

• AIn the long term, it is chaotic.
• BIt is elliptical.
• CAt certain moments in time, it crosses Neptunes orbit.
• DIt is inclined compared to the plane of other planets orbits.

Which of these substances and minerals is not effective in the treatment of depression?

• AZinc
• BMagnesium
• CDopamine
• DSodium

What part of the digestive system first causes chemical changes to food?

• Asaliva in the mouth
• Bteeth in the mouth
• Cenzymes in the stomach
• Denzymes in the small intestine

What national symbols are subject of study of vexillology?

• Aseals
• Bnational emblems
• Cflags
• Dcoat of arms

What does dactylology study?

• Acaves
• Bthe moon
• Cfingerprints
• Drocks

Which of these natural events occurs at time intervals that are the most regular?

• Ahot weather and cool weather
• Bclear skies and cloudy skies
• Chigh tides and low tides
• Ddrought and flooding

What is the composition of the nucleus of an atom?

• Aneutrons and electrons
• Bprotons and neutrons
• Celectrons and protons
• Dions and electrons

The best evidence that two land areas were once connected is the discovery that both land masses

• Ahave the same climate.
• Bhave similar types of rocks and fossils.
• Care in the same stage of succession.
• Dexist along the same line of longitude.

The Hardy-Weinberg law is only valid when

• Amigration into the population is occurring.
• Bimmigration into the population is occurring.
• Cthe population is large.
• Dthe population is small.

The major function of the kidneys is to

• Acarry blood back to the heart.
• Bbreak down nutrients.
• Cexchange gases.
• Dfilter wastes and byproducts.

Garden plants on Earth require four resources to stay alive: soil, air, water, and sunlight. How many of these resources are necessary for life to exist on the moon or another planet?

• A3
• B1
• C2
• D4

If a string on a musical instrument like a guitar is made tighter, the sound produced by that string will always be

• Ahigher pitched.
• Blower pitched.
• Clouder.
• Dquieter.

If there is a great deal of precipitation occurring in a short time, which process in the water cycle will be affected first?

• Aevaporation
• Btranspiration
• Crunoff
• Dcondensation

Nephrectomy is a surgical removal of which internal organ?

• ASpleen
• BPancreas
• CKidney
• DThyroid gland