Science Trivia Questions — page 158

Which of these best defines communicable diseases?

• AThey are caused by bacteria.
• BThey can be cured.
• CThey are spread to others.
• DThey can spread only in winter.

A student is trying to dissolve 20 grams of sugar in a beaker containing 250 milliliters of water at room temperature. What can the student do to make the sugar dissolve faster in the water?

• Ause less water
• Buse larger pieces of sugar
• Cdecrease the temperature of the water
• Dstir rapidly

Two students each carry a box up to the third floor of a building. The total mass of each student and the box she is carrying is the same. Roberta makes the trip in 45 s while Mary takes 30 s. Which of the following statements best describes this task?

• ARoberta has a greater power output than Mary.
• BRoberta does more total work than Mary.
• CMary does more total work than Roberta.
• DMary has a greater power output than Roberta.

Which of these countries did cholera affect most?

• AUSA
• BRussia
• CFrance
• DItaly

A student is designing a model of the solar system and writing a report. She is trying to be as accurate as possible. Which statement should she include in her report?

• AThe orbit of Mars is similar to the orbit of Saturn.
• BThe distance between the Sun and Earth is measured in light years.
• CThe asteroid belt is located between Jupiter and Saturn.
• DJupiter and Uranus are considered to be terrestrial planets.

Substance vital for treating what hereditary blood defect that occurs almost exclusively in males, has been produced by cloning?

• AThalassemia
• BHemophilia
• CAnemia
• DHemoglobinopaties

Which of these animals has a young form that looks the most like the adult form?

• Amoth
• Bhuman
• Cfrog
• Dbutterfly

Which best explains what scientists are referring to when they use the term conservation?

• Anonliving parts of the environment
• Bliving organisms in the environment
• Chealth of the living organisms in the environment
• Dprotection, management, and renewal of resources

Which of the following is most responsible for the decay of dead organisms?

• Awater
• Bmammals
• Cnitrogen
• Dmicroorganisms

One unique characteristic of water is that its specific heat

• Acan only be measured in calories.
• Bis higher than other common substances.
• Cis lower than other common substances.
• Drequires little energy for a big temperature change.

This substance is naturally present in water. It keeps the enamel strong and can stop or even reverse the process of tooth decay.

• AFluoride
• BNitrate
• CChlorine
• DNitrite

What do playing a guitar, banging a drum, and dropping a pebble in the water have in common?

• AThey all convert heat to energy.
• BThey all produce light.
• CThey all cause vibrations.
• DThey all need gravity to move.

What is the chemical symbol for Boron?

• ABo
• BB
• CBn
• DBr

When soil becomes saturated during rainfall, excess water begins to collect on the surface. Downslope movement of this excess water to rivers, lakes, and streams is called

• Agroundwater.
• Bfiltration.
• Ccondensation.
• Drunoff.

In a mixture, a magnet is used to separate some particles from sand. The dark particles are most likely made of which element?

• Acopper
• Bsulfur
• Csodium
• Diron

The universe is believed to be approximately 14 billion years old. As a result of gravitational attraction, which most likely developed first after the Big Bang?

• Aa comet
• Ba planet
• Ca moon
• Da star

Every organism in an ecosystem receives energy from another source. Which of these organisms receives its energy directly from the Sun?

• Afungus
• Bdeer
• Chawk
• Dgrass

A hillside along a highway has exposed layers of undisturbed sedimentary rock. Which method would be best for scientists to use to determine the relative age of these sedimentary rock layers?

• Aapply the law of crosscutting relationships
• Bcalculate the rate of tectonic plate movement
• Capply the law of superposition
• Dcalculate the rate of radiometric decay

What is the name of the dog, that became the first earthling to enter orbit?

• ALaika
• BLisichka
• CRover
• DBelka

When water changes from a liquid to a gas and then the steam condenses back to the liquid form, these types of changes are

• Aphysical.
• Belectrical.
• Cchemical.
• Dmechanical.

Why is it important to repeat an experiment several times?

• Ato collect more data to fit the hypothesis
• Bto give all the students the chance to participate
• Cto determine if the results are similar
• Dto use up all the materials

An astronaut drops a 1.0 kg object and a 5.0 kg object on the Moon. Both objects fall a total distance of 2.0 m vertically. Which of the following best describes the objects after they have fallen a distance of 1.0 m?

• AThey have each lost kinetic energy.
• BThey have each gained one-half of their maximum kinetic energy.
• CThey have each gained the same amount of potential energy.
• DThey have each lost the same amount of potential energy.

Which of these lists has only products that come from plants?

• AMedicines, leather, and milk
• BWool, lumber, and butter
• CPaper, spices, and fibers
• DCotton, rubber, and eggs

Scott was looking at the results of a cross between red and white flowers. Which is the most likely result of a cross that demonstrates incomplete dominance?

• A100% pink flowers
• B25% white flowers
• C0% pink flowers
• D50% red flowers

In ecosystems where people live, which of the following are most likely to cause an increase in diseases transmitted by water?

• Aavalanches
• Bhailstorms
• Cfloods
• Dblizzards

Which of these methods of energy resource acquisition has the least effect on the lithosphere?

• Asurface mining for uranium
• Bharvesting wood by selective cutting
• Cpumping oil from under water
• Dcollecting natural gas from old oil wells

A hill in the rain forest was once completely covered with trees. A logging company cut down all of the trees. Which is a form of environmental degradation that will most likely result because of the cutting down of trees?

• AThe air will be depleted of carbon dioxide.
• BThere will be more biodiversity.
• CThe soil will be stripped of its minerals.
• DThere will be more oxygen released into the air.

Which instrument measures atmospheric pressure?

• Amagnetometer
• Bhygrometer
• Cthermometer
• Dbarometer

Which of the following identifies the primary function of a radio station tower in a communication system?

• Atransmitter
• Bencoder
• Cdecoder
• Dreceiver

Based on analysis of deep ice cores from the Arctic, scientists theorize that early humans caused air pollution. These scientists can make sure their data is correct by

• Aanalyzing only melted ice cores.
• Bcomparing their data to the expected results.
• Canalyzing more than one ice core.
• Dcomparing their data to modern pollution levels.

Which of these is an unpiloted spacecraft designed to gather information while orbiting planets other than Earth?

• Aspace shuttle
• Bspace station
• Cspace telescope
• Dspace probe

What was the name of the first geometry textbook which was written by the ancient Greek Euclid?

• AThe Elements
• BThe Principia
• CThe Academy
• DThe Stoia

Tetsuya Fujita was a scientist that developed the scale for which natural disaster?

• AHurricanes
• BEarthquakes
• CVolcanoes
• DTornadoes

What is the first thing a student should do if an accident happens during a science experiment?

• Aclean the laboratory station
• Blocate the nearest exit
• Cput on safety goggles
• Dreport to the teacher

What unit is used in the metric system for measuring time?

• Athe grad
• Bthe cell phone
• Cthe Ohm
• Dthe second

Which law was Galileo Galilei responsible for describing?

• ALaw of Independent Assortment
• BThree Laws of Motion
• CRelative Motion within the Solar System
• DNature of Matter

Which protist is a bi-flagellate autotroph?

• Avolvox
• Bamoeba
• Cparamecium
• Deuglena

Before rock can become soil, it must undergo certain processes. One process in the formation of soil involves plants. How can plants chemically change rocks into soil?

• AThey strip the rocks of minerals.
• BThey weather rocks with acid.
• CThey break rocks into small pieces.
• DThey increase the density of the rocks.

Which measurement represents the mass of an object?

• A35 liters
• B35 grams
• C35 centimeters
• D35 degrees

Which trait do cows and grass have in common?

• AThey both take in oxygen to survive.
• BThey both make their own food.
• CThey both are able to grow.
• DThey both get energy directly from the Sun.

Which four elements make up most of the human body?

• Aoxygen, carbon, hydrogen, nitrogen
• Bsilicon, calcium, oxygen, aluminum
• Csulfur, phosphorous, calcium, nitrogen
• Dcarbon, sodium, hydrogen, oxygen

During which process do cells use oxygen to release stored energy?

• Aphotosynthesis
• Bcirculation
• Cdigestion
• Drespiration

In the first step of making some ceramic cups, the following manufacturing process is used. Liquid clay is poured into a mold, allowed to solidify, then removed from the mold. What is the name of this manufacturing process?

• Amilling
• Bfinishing
• Ccasting
• Drefining

How many unsuccessful attempts did it take to finally create Dolly, the first successfully cloned mammal?

• A154
• B276
• C19
• D76

A biological community is made up of all the

• Apopulations living in an area
• Benvironments on Earth
• Cnatural resources present in an area
• Dmembers of a species on Earth

This is the most diverse and abundant group of organisms on Earth. Its members reproduce so fast that they can double their number as quickly as every 10 minutes.

• AAlgae
• BViruses
• CBacteria
• DFungi

Which quantity must equal zero if a car is moving at a constant rate along a straight line?

• Aenergy of the car
• Bdirection of the car
• Cacceleration of the car
• Dspeed of the car

A major function of a plant's roots is to

• Arelease oxygen
• Btake in water
• Ctransport carbon dioxide
• Dproduce flowers

A geologist found fossils of horse bones in different rock layers of a canyon. The fossils in the lower levels show shorter bones than those in the upper-level fossils. Which conclusion is based on the geologist's observations?

• ASmaller Horse's went extinct, and then larger Horse's formed.
• BSmaller Horse's are better suited to the environment than larger Horse's.
• CHorse's became larger over time.
• DHorse's reproduce using two parents.

I think we have all heard this one. Does an apple a day keep the doctor away?

• ANo
• BYes