Science Trivia Questions — page 120

Which type of energy does a person use to pedal a bicycle?

• Alight
• Belectrical
• Cmechanical
• Dsound

What keeps stars such as the Sun from collapsing from their own self-gravity?

• Athe electrical repulsion of nuclei in the plasma
• Bthe outward pressure created by nuclear fusion
• Cthe centrifugal force created by rapid rotation
• Dthe gravitational pull created by orbiting planets

How do oceans influence seashore climates?

• AThey tend to reduce temperature ranges.
• BThey tend to increase temperature ranges.
• CThey tend to make them warmer.
• DThey tend to make them colder.

The Moon's rotation is

• Afaster than its revolution.
• Bslower than its revolution.
• Cabout the same as its revolution.
• Dhalf as fast as its revolution.

Elizabeth uses a specific type of whistle to call her dogs. The noise made by the whistle is heard by the dogs but cannot be heard by the human ear. Which statement best describes why humans cannot hear the sound made by the whistle?

• AThe frequency of the sound is too high.
• BThe amplitude of the sound is too low.
• CThe speed of the sound is too fast.
• DThe wavelength of the sound is too long.

If the climate in an area changed over time to become very cold, which change would most likely help a species living there to survive?

• Aan increase in height and speed
• Ba larger mouth and stronger jaws
• Can increase in fur and fat
• Da thicker neck and longer tail

This unit, named after the German physicist who discovered the relation between voltage and current, is the basic unit of electrical resistance.

• AWatt
• BFrequency
• COhm
• DResistor

In an experiment, a scientist named Pavlov rang a bell before he fed his dogs, which made the dogs drool. Soon the dogs would drool when they heard the bell, even if they did not receive any food. What type of response did the dogs exhibit?

• Aa learned behavior
• Ba conscious behavior
• Can inherited trait
• Dan instinct

A lamp converts electrical energy to light energy. In addition to the light energy, much of this electrical energy is also converted to

• Achemical energy
• Bheat energy
• Cmechanical energy
• Dnuclear energy

Which factor would have the greatest influence on the southern migration of animals living in the Northern Hemisphere?

• Acold air temperatures
• Bincreasing daylight hours
• Cstrong storms
• Dlong periods of drought

A substance that carries sound waves is called

• Aa medium.
• Ba fulcrum.
• Ca spectrum.
• Dan equilibrium.

This contractile tissue of the body is the subject of study of myology.

• Ahairs
• Bbones
• Cblood cells
• Dmuscles

Hydrochloric acid is added to a beaker containing a piece of zinc. As a result, zinc chloride is formed and hydrogen gas is released. This is an example of

• Aa physical change
• Ba chemical reaction
• Cphotosynthesis
• Devaporation

Which of the following best explains why the Sun appears to move across the sky every day?

• AThe Sun orbits around Earth.
• BEarth orbits around the Sun.
• CEarth rotates on its axis.
• DThe Sun rotates on its axis.

The nervous system consists of the brain, spinal cord, and nerves that run throughout the entire body. Which of these is one function of the nervous system?

• Acarries blood to and from the heart
• Bsupplies the blood with oxygen
• Ccontrols body functions
• Dsupports body posture

Which of the following is a benefit of using radiation as a medical treatment?

• AIt produces healthy cells.
• BIt improves immune system function.
• CIt prevents many forms of illness in patients.
• DIt kills cancer cells.

Which of following is a property shared by the elements in the carbon family?

• Athe number of valence electrons
• Ban atomic mass of 12
• Cthe same electron configuration
• Dan atomic number of 6

A student uses a pH meter to measure the acidity of a water sample from a lake. For what purpose is the student most likely testing the water?

• Ato find out the depth of the lake
• Bto understand how people use the lake
• Cto learn what organisms could survive in the lake
• Dto determine the age of the lake

As a glacier melts and retreats, a layer of bedrock is exposed. Which term best describes the process that establishes a community on the bedrock?

• Aweathering
• Bdisturbance
• Cstabilization
• Dsuccession

How are animals that prey on other animals classified?

• Aherbivores
• Bcarnivores
• Cautotrophs
• Ddecomposers

Which is the most bitter substance known to taste researchers?

• AQuinine
• BDenatonium
• CCoffee
• DBrucine

What two gases make up most of the Earth's atmosphere?

• AOxygen and nitrogen
• BOxygen and carbon dioxide
• CHydrogen and oxygen
• DHydrogen and nitrogen

The lack of this vitamin may cause seborrhea and dry skin.

• AVitamin D
• BVitamin B6
• CVitamin J
• DVitamin F

Telescopes use lenses to observe distant objects such as stars. Which term best describes what happens when lenses bend and concentrate light?

• Areflecting
• Bdiffracting
• Cpolarizing
• Drefracting

The cell has up to several thousands of these tiny organelles scattered in its cytoplasm. They are often called cellular power plants, because they convert organic materials into energy.

• ARibosomes
• BChloroplasts
• CMitochondria
• DVacuoles

Which human body system forms a barrier between internal body structures and the external environment?

• Adigestive
• Bnervous
• Cintegumentary
• Dcirculatory

How does the skin help the body maintain homeostasis?

• AThe skin stabilizes temperature.
• BThe skin transports oxygen.
• CThe skin sends messages to the brain.
• DThe skin digests viruses.

Which characteristic property indicates that igneous rock cools slowly?

• Amineral composition
• Bcrystal size
• Cdensity
• Dhardness

When a client complained that the roof in his building leaks, this famous architect who had designed the building replied: 'That's how you can tell it's a roof'. Another work of his was the Guggenheim Museum in New York.

• AMichael Graves
• BAldo Rossi
• CFrank Lloyd Wright
• DFrank Owen Gehry

The gravitational force on the surface of the Sun is greater than the gravitational force on Earths surface. If you weigh 180 lbs or 80 kg on Earth, what would your weight be on the Sun?

• A440 lbs (200 kg)
• B2770 lbs (1260 kg)
• C1100 lbs (500 kg)
• D5022 lbs (2270 kg)

Which of the following is NOT a word used to describe an earthquake?

• AForeshock
• BDrop-slide
• CTemblor
• DStrike-slip

The relationship between ticks and a dog can best be described as

• Acompetition.
• Bcommensalism.
• Cmutualism.
• Dparasitism.

The stages of evolution of a star are determined by the mass of the star at the beginning of its life cycle. Which stage of evolution is the oldest form of a massive star?

• Ared giant
• Bsupernova
• Cwhite dwarf
• Dneutron star

If I weighed 100 pounds(45.5 Kilograms) on Earth, about how much would I weigh on Mars?

• A48.6 Pounds(22.1 Kilograms)
• B90.7 Pounds(41.2 Kilograms)
• C88.9 Pounds(40.4 Kilograms)
• D37.7 Pounds(17.1 Kilograms)

Which invention made mass production possible?

• Athe personal computer
• Bthe telephone
• Cthe assembly line
• Dthe airplane

What does the Latin prefix homo refer to?

• AStudy of
• BSameness
• CMankind
• DScience

What is the term for the points in the lunar cycle when the tides range is minimal?

• APerigean Tide
• BEbb Tide
• CNeap Tide
• DAdoble Tide

What is the molecular formula of Glucose?

• AK+
• BC2H4O2
• CC6H12O6
• DCH4

Which phase of the Moon occurs after a waxing gibbous?

• Awaning gibbous
• Bfull moon
• Cwaxing crescent
• Dnew moon

Scientists claim that the area around the Grand Canyon was once covered by an ocean. What evidence would support their claim?

• ADinosaur footprints were found near the Grand Canyon.
• BFossils of ocean animals were found at the Grand Canyon.
• CFish were found living in the rivers of the Grand Canyon.
• DBones from desert animals were found at the Grand Canyon.

Which function is a role of a feedback system?

• Aregulation of growth in the skeletal system
• Bstimulation of appetite
• Cidentification of gender
• Ddetermination of blood type

What is the name of the author who proposed natural selection as the mechanism of evolution?

• AMendel
• BDarwin
• CHardy-Weinberg
• DLamarck

The side of the Moon that we see is this.

• ADifferent every night
• BDifferent every two weeks
• CThe same every night
• DDifferent every month

A ball rolls across the floor and slows down to a stop. Which force caused the ball to slow down?

• Ainertia
• Bfriction
• Cmagnetic
• Dgravity

Vibrations in the air caused by hitting a drum form

• Aelectricity.
• Bradiation.
• Csound.
• Dlight.

In which case does a physical change occur?

• ABread burns in a toaster.
• BIce melts into water.
• CA cake bakes in an oven.
• DTwo chemicals form a new substance.

In 1912, a jawbone and fragments of a skull were discovered and originally named "dawn-man". It wasn't until 41 years later that it was exposed as a hoax. This darling of creationist skepticism is known as what?

• ANeanderthal
• BHobbit Man
• CPiltdown Man
• DPeking Man

This moon, bearing the name of the ferryman of the dead in Greek mythology, is the largest satellite of Pluto.

• ANereid
• BProteus
• CLarissa
• DCharon

Michelle is interested in improving the quality of the soil in her yard. She wants more water and air to penetrate the soil. What should she add to the soil to help her achieve this goal?

• Afertilizers
• Bearthworms
• Cbacteria
• Dpesticides

In humans, the digestion process begins in

• Athe esophagus, with pushing towards the stomach.
• Bthe intestine, with squeezing.
• Cthe mouth, with chewing and saliva.
• Dthe stomach, with churning and acid.