Science Trivia Questions — page 147

Which observation indicates that a chemical reaction has taken place?

• AA new chemical substance is formed.
• BBubbles form when a liquid is heated.
• CA substance becomes warmer.
• DA material changes from a solid to liquid.

Which resource is renewable?

• Awater
• Bcoal
• Cnatural gas
• Doil

A student mixes a spoonful of sand into a beaker of water. Which two methods can be used to separate the sand from the water?

• Achromatography and filtration
• Bfiltration and evaporation
• Csettling and chromatography
• Dsettling and magnetic attraction

A 10 g sample of aluminum and a 10 g sample of iron were each heated by 100 joules of energy. The temperature of the aluminum sample rose 11°C, while the temperature of the iron sample increased 23°C. Which statement best accounts for these results?

• AUsing equal masses results in similar heat capacities.
• BAtoms of aluminum are smaller than atoms of iron.
• CThe specific heat of iron is less than that of aluminum.
• DIron is twice as dense as aluminum.

Robots are used to help manufacture cars. One problem with this is

• Amore mistakes.
• Blower cost.
• Cfewer jobs.
• Dless waste.

In meteorology, virga, a weather phenomenon typical for desert regions, is what form of precipitation?

• APrecipitation that has not undergone condensation
• BHighly condensed type of precipitation
• CPrecipitation that freezes before reaching the ground
• DPrecipitation that evaporates before reaching the ground

In the construction of a house, the words excavation, slab, and footing are associated with the

• Aframe.
• Broof.
• Cfoundation.
• Dfloor.

Experiments show that mice can learn to press a lever in order to acquire food. This learning ability can help mice survive in the wild by allowing them to

• Achoose the best environment for their adaptations.
• Bchange their environment in beneficial ways.
• Calter their behavior based on past experience.
• Dpass beneficial behavior genes onto their offspring.

Which of the following terms describes a dark layer of clouds that bring rain or snow?

• ANimbostratus
• BCirrus
• CStratocumulus
• DAltocumulus

Which example is a function of the selectively permeable membrane of a cell?

• Amanufacturing proteins for the cell
• Bstoring waste products for the cell
• Climiting chemicals that diffuse out of the cell
• Dsupporting the shape of the cell

Consider this infinite series: 1/2+1/4+1/8+1/16+1/32 +.... If we add all these terms, what do we get?

• A3/4
• BYou cannot add an infinite series of numbers
• C1
• D0

What mineral present in some mineral waters is used as a cure for different types of depression?

• ACopper
• BLithium
• CAluminium
• DVanadium

Which of these were formed by glaciers that flowed through the Ruby Mountain region in northeastern Nevada?

• Alakes
• BV-shaped valleys
• Cvolcanic necks
• Ddeserts

Which structure is found in producers in nearly all ecosystems?

• Astems
• Bleaves
• Cchloroplasts
• Drhizomes

What lies at the center of our galaxy?

• AA quasar
• BA black hole
• CA supernova
• DA wormhole

A student wants to figure out how many calories are needed to perform various activities. A list of some everyday activities is made, and the number of calories burned during each activity is recorded. Which method is the best way for the student to display and evaluate the information?

• Amake a line graph
• Bwrite a paragraph
• Cdevelop a formula
• Dcreate a table

In order to survive, all organisms must have

• Ablood
• Benergy
• Ccarbon dioxide
• Dchlorophyll

Find the missing number in the following sequence: 6, 18, 36, ___, 216, 648, 1296.

• A180
• B108
• C72
• D54

Which action is a learned characteristic of a newborn horse?

• Anursing
• Bbreathing
• Cwalking
• Dsleeping

Tiny droplets of water seen floating in the air can give scientists a clue about the weather. What are groups of these droplets called?

• Ahail
• Brain
• Ca front
• Da cloud

Megaloblastic anemia is a type of anemia in which among the bone marrows red blood cells start to appear many immature and dysfunctional ones. The deficiency of which two vitamins of the B complex group causes this disorder?

• AB4 and B1
• BB6, B2 and B12
• CB9 and B12
• DB1 and B2

What function is equal to its derivative?

• Ay = sin x
• By = cos x
• Cy = log x
• Dy = e ^ x

Which two behaviors best demonstrate stewardship?

• Aincreasing consumption, recycling wastes
• Breducing consumption, discarding wastes
• Cincreasing consumption, discarding wastes
• Dreducing consumption, recycling wastes

When an igneous intrusion comes into contact with surrounding rock, the surrounding rock will

• Aprecipitate.
• Brecrystallize.
• Cfoliate.
• Derode.

Which will most likely result if there is increased upwelling in a coastal area?

• Aless nutrients in the water
• Bmore aquatic life
• Chigher water temperatures
• Dfewer nitrates

The term blepharo derives from a Greek word and refers to which part of the body?

• ALarynx
• BEyelid
• CLungs
• DArtery

Which list includes only examples of matter that can take the shape of a container?

• Anail, stick, and paper
• Bwater, air, and milk
• Coil, air, and rock
• Dsand, ice, and wood

Which land form results when carbonic acid in groundwater seeps through rock and dissolves limestone?

• Acaverns
• Bmountains
• Cvalleys
• Dravines

Leaves fall from deciduous trees onto the forest floor. These leaves decay slowly and become part of the topsoil. Which change is most likely to have a positive impact on the nutrients available in the topsoil?

• Aa decrease in biodiversity
• Ban increase in the number of decomposers
• Can increase in the number of predators
• Da decrease in temperature

The ability to perceive the unpleasant taste of bitter is assumed by researchers to have evolved with this function.

• ATo help people choose tasty foods to bad tasting ones
• BTo protect people from overeating
• CTo help people choose foods with more vitamins
• DTo protect people from poisoning

Joyce put 200 milliliters of water in a beaker, put a thermometer in it, and heated it until it started to boil. She recorded a temperature of 100°C when it started to boil. She repeated the process with 400 milliliters of water. What would be the temperature when the second sample started to boil?

• Aslightly higher than the first sample's
• Btwice as high as the first sample's
• Chalf as high as the first sample's
• Dthe same as the first sample's

Nevada mines produce greater quantities of a particular resource than any other state. What resource is produced from these mines?

• Azinc
• Bcopper
• Clead
• Dgold

The attachment of methyl radicals to genes helps regulate which property?

• Ainformation genes store
• Bgene expression
• Cmode of gene inheritance
• Dgene coding system

Which statement best describes the energy changes that occur while a child is riding on a sled down a steep, snow-covered hill?

• ABoth potential energy and kinetic energy decrease.
• BKinetic energy increases and potential energy decreases.
• CKinetic energy decreases and potential energy increases.
• DBoth potential energy and kinetic energy increase.

Which of these cell structures converts nutrients to energy for cell functions?

• Aendoplasmic reticulum
• Bcell membrane
• Cchloroplasts
• Dmitochondria

What medication was once commonly used as rat poison?

• AEliquis
• BCoumadin
• CTylenol
• DAspirin

The movement of crustal plates is best described as a

• Atrend toward increased crust movement over time.
• Bcontinuing long-term process.
• Cseries of events that happens quickly.
• Dprocess that has a predictable pattern.

What was the first person to fly a balloon that was filled with hydrogen gas?

• AJacques A.C. Charles
• BJoseph Montgolier
• CFrancois F. DeRozier
• DCount Ferdinand Zeppelin

From which part of the plant does a bee get food?

• Astem
• Broot
• Cseed
• Dflower

Which of the following is produced when two or more elements combine in a chemical reaction?

• Amixture
• Bcompound
• Catom
• Dsolution

How many valence electrons does selenium have?

• A8
• B6
• C3
• D5

The action that results when waves made in a pond strike the edges and bounce back is known as

• Areflection.
• Bamplitude.
• Cvibration.
• Dfrequency.

George wants to warm his hands quickly by rubbing them. Which skin surface will produce the most heat?

• Apalms covered with lotion
• Bwet palms
• Cdry palms
• Dpalms covered with oil

Which of the following heat exchange processes involves the collision of particles?

• Aconvection
• Binsulation
• Cconduction
• Dradiation

Which is a trait that a child can inherit from its parents?

• Aeye color
• Blength of hair
• Clanguage skills
• Da broken leg

Some animals have adapted colors and patterns that allow them to blend into their environment. Animals most likely adapted this characteristic to

• Aattract mates.
• Bprotect skin.
• Ccool off.
• Dstay hidden.

A donkey and a horse can be bred to produce a mule. Which observation is evidence that donkeys and horses are two different species?

• AThey have different body sizes.
• BA mule does not resemble either parent.
• CThey are found in different environments.
• DA mule is not able to reproduce.

The construction of this famous building was completed on November 1st, 1800. It was designed by Irish-born architect James Hoban, who was inspired by the Leinster House in Dublin.

• AFederal Hall
• BWilliams Tower
• CThe White House
• DThe Chrysler Building

Silica sand is a resource used in large volume in Nevada. This resource is used to make which product?

• Atar
• Bplastic
• Celectricity
• Dglass

Soil is a mixture of many substances which may include

• Asun, water, clay, and sand.
• Bsand, clay, dead plants, and dead animals.
• Csand, clay, wind, and pebbles.
• Dleaves, twigs, sun, and wind.