Science Trivia Questions — page 117

The direction water flows in a river depends on

• Athe slope of the land
• Bthe length of the river
• Cthe type of rock over which the water flows
• Dthe location of the North Pole

Which is not a type of neuron?

• APerceptual Neuron
• BSensory Neuron
• CMotor Neuron
• DInterneuron

Wolves, which are top predators, were eliminated from Yellowstone National Park in the 1930s. In 1995, wolves were reintroduced into Yellowstone. During the period in which wolves were absent from Yellowstone, which most likely occurred?

• Aan increase in the population of tertiary consumers
• Ba greater balance of predator-prey relationships
• Can increase in competition for food resources among small prey
• Da greater opportunity for primary producers to flourish

The folic acid, a compound especially important during periods of rapid cell division and growth, is commercially known under what name?

• AVitamin B1
• BVitamin B12
• CVitamin B9
• DVitamin B7

Which geologic process occurs when the acid in precipitation dissolves certain types of rock?

• Atilting
• Bfaulting
• Cerupting
• Dweathering

Suppose that an increase in the price of good Y results in an increase in the demand for good X. This phenomenon is an example of which effect in economics?

• AThe demand effect.
• BThe income effect
• CThe supply effect
• DThe substitution effect

When rock particles settle at the bottom of the ocean, they can continue to be buried by other particles. The process of cementation of these particles forms

• Aigneous rocks.
• Bsedimentary rocks.
• Cmolten rocks.
• Dmetamorphic rocks.

The sum of all chemical reactions that take place within an organism is known as

• Ametabolism
• Bcirculation
• Creproduction
• Devolution

Which process transfers heat when particles collide in a solid?

• Aevaporation
• Bconvection
• Cradiation
• Dconduction

Deuterium is an isotope of which element?

• AHydrogen
• BNitrogen
• CNeon
• DHelium

The discovery of penicillin helped in the

• Ahealing of bones.
• Btreatment of infections.
• Csearch for diseases.
• Ddiscovery of viruses.

During an experiment, a class heated a balloon that had an initial circumference of 25 cm. The circumference increased to 27 cm. Which is the best conclusion that can be drawn?

• AThe energy of the molecules inside the balloon remained the same.
• BThe molecules inside the balloon lost energy to the outside.
• CThe molecules inside the balloon were escaping outside.
• DThe molecules inside the balloon gained energy from the heat.

Organisms that consume wastes to obtain the nutrients they need to survive are classified as

• Aherbivores
• Bproducers
• Cpredators
• Ddecomposers

Juan and LaKeisha roll a few objects down a ramp. They want to see which object rolls the farthest. What should they do so they can repeat their investigation?

• ARecord the details of the investigation.
• BPut the objects in groups.
• CChoose different objects to roll.
• DChange the height of the ramp.

The average size of a normal human eye is commonly compared to the size of this object.

• ACherry tomato
• BWalnut
• CGolf ball
• DApricot

A recycling plant manager needs to melt 1500 kg of scrap copper to sell to a wire manufacturer. The copper is at 15°C and its melting point is 1083°C. The copper has a specific heat of 385 J/kg x K. How much heat is required to raise the temperature of the copper to its melting point?

• A6.3 x 10^8 J
• B7.9 x 10^8 J
• C6.2 x 10^8 J
• D7.7 x 10^8 J

What is the subject of study of thanatology, personified in Greek mythology by Thanatos?

• Adeath
• Bplague
• Cbirth
• Dgrave

Corals are animals that live in tropical oceans. Fossils of corals are found in Ohio. What does the presence of coral fossils suggest about how the environment of Ohio has changed over time?

• AThe average temperature in Ohio is now much warmer than it.
• BOhio was once covered by warm seas.
• CA large glacier once passed over Ohio.
• DThe average rainfall in Ohio is now much more than it once was.

Which of these people was a dentist?

• APaul Revere
• BSamuel F.B. Morse
• CDeWit Clinton
• DThomas Alva Edison

Which units are best to measure the amount of rain that fell during a thunderstorm?

• Agrams
• Bseconds
• Cdegrees Celsius
• Dcentimeters

Lanugo is a term related to hair. What does it mean?

• AFine hair that grows on fetuses
• BA medical condition connected with loss of hair
• CA parasite that feeds on human hair
• DA type of grease that Eskimos use to keep their hair conditioned

What does the Greek prefix anthro refer to?

• ASameness
• BScience
• CMankind
• Dstudy of

In which of these places natural pearl hunting on a large scale has survived until modern times?

• AIndia and China
• BAfrica and South America
• CSpain
• DAustralia and Bahrain

Which physical characteristic do some organisms have that helps them survive in the Arctic?

• Agrowing tall to hide in trees
• Bproducing shallow root systems to protect themselves from the cold air
• Cdeveloping large paws to protect themselves from the wind
• Dchanging fur color to hide from predators

Coal is formed from

• Anatural gas subjected to heat.
• Bplant remains decomposed under pressure.
• Cseas that have evaporated.
• Dmelted and cooled metamorphic rock.

Humus is an organic material that makes up soil. Which characteristic best indicates that soil has a high humus content?

• Athe amount of rock in the sample
• Bthe amount of clay in the sample
• Cthe mass of the sample
• Dthe color of the sample

On a day in early spring, the number of hours of daylight and of night are about the same. From sunrise to sunset on a spring day, Earth has

• Acompleted half of one rotation.
• Bbeen in the shadow of the Moon.
• Cmoved to the opposite side of the Sun.
• Dbeen circled by the Moon one time.

Which statement describes a function of bones in mammals such as dogs and horses?

• ABones provide protection for organs in the body.
• BBones connect the brain and the spinal cord.
• CBones carry oxygen-rich blood throughout the body.
• DBones send messages to the brain to move the muscles.

Granite is a hard material and forms from cooling magma. Granite is a type of

• Avolcanic dust
• Bigneous rock
• Csedimentary rock
• Dlava stone

Which two body systems work together to transport oxygen to the cells?

• Arespiratory and reproductive
• Brespiratory and circulatory
• Cskeletal and respiratory
• Ddigestive and respiratory

What advantage do sea stars gain from having radial symmetry?

• AThey move quickly along the ground.
• BThey sense predators and potential food from all directions.
• CThey reproduce at a faster rate.
• DThey digest food more efficiently.

All of the inherited traits that are passed to offspring during asexual reproduction come from a single

• Asperm.
• Begg.
• Cvirus.
• Dparent.

What type of inheritance controls blood types in humans?

• Arecessive genes
• Bpolygenic inheritance
• Cmultiple alleles
• Dincomplete dominance

Research is being conducted on using energy from the Sun to split water molecules into hydrogen and oxygen. The oxygen will be released into the environment, and hydrogen will be used for fuel. Which statement describes how this technology will benefit the environment?

• AThe properties of hydrogen will be better understood.
• BThe availability of clean resources will increase.
• CThe atmosphere will be supplied with oxygen.
• DThe Sun's abundant supply of energy will be used.

Lightning can produce all of these forms of energy except

• Asolar energy.
• Belectrical energy.
• Clight energy.
• Dheat energy.

Which of these is most likely caused by the action of water, wind, and animals?

• Avolcanic eruptions
• Bearthquakes
• Cmountains
• Derosion

Western coral snakes have a striped color pattern and are poisonous. Arizona mountain king snakes look like western coral snakes but are not poisonous. The color pattern of the Arizona mountain king snake is an example of

• Amutualism.
• Bmimicry.
• Ccamouflage.
• Dparasitism.

As the population in an area grows, water usage increases. Eventually, water usage can outstrip the supply. Which measure to increase the amount of available water demonstrates the best stewardship of the resource?

• Areducing water usage through conservation measures
• Bpiping in water from an aquifer elsewhere
• Cdiscovering new reservoirs of water in the aquifer
• Dcombining hydrogen with oxygen to make water

Which structure refers to a group of specialized cells that all perform the same function?

• Atissue
• Bvirus
• Corgan
• Dnucleus

Materials that let electrons flow very easily from one atom to another

• Aare called conductors.
• Bare called resistors.
• Care called non-metals.
• Dare called insulators.

When two bumper cars collide, some of the kinetic energy of the cars is transformed. Which form of energy is most likely formed as a result of this collision?

• Aelectrical
• Belectromagnetic
• Csound
• Dmagnetic

Which lists the correct order of changes that happen to a plant in spring?

• AFlowers die, fruits grow, buds form
• BSeeds drop, flowers open, buds form
• CSeeds drop, flowers die, fruits grow
• DBuds form, flowers open, fruits grow

Which is the best explanation of why the Moon revolves around Earth?

• AThe Moon has a thinner atmosphere than Earth.
• BThe Moon is too large to move away from Earth.
• CThe Moon has a smaller gravitational force than Earth.
• DThe Moon is attracted by the gravity of Earth.

Which results in a chemical change?

• AA teacher lights a candle.
• BA student smells a flower.
• CA teacher feels a rough cloth.
• DA student colors a paper blue.

Which statement explains why light from the Sun can warm up water in a glass?

• AWater absorbs light energy.
• BWater reflects light energy.
• CLight travels very fast.
• DLight travels in straight lines.

A chemical change happens when

• Adough bakes in an oven.
• Bglass breaks into pieces.
• Celectricity flows through a wire.
• Dice cream melts into a liquid.

A sunspot appears as a dark spot on the sun that is cooler than the surrounding area. On which region of the sun do sunspots occur?

• Aphotosphere
• Bchromosphere
• Ccore
• Dcorona

Nicole was studying different ecosystems. She compared the number of plants living in a forest to those in a desert. Which factor best explains why more plants may survive in a forest?

• AThere is more sunlight in the forest.
• BThere is more rain in the forest.
• CThere is more oxygen in the forest.
• DThere is more competition in the forest.

Which fossil was proved to be a hoax?

• APiltdown Man
• BNeanderthal Man
• CCro-Magnon Man
• DKennewick Man

The Sun creates its radiation (heat) by the nuclear fusion between which two elements?

• AHydrogen and Carbon
• BHydrogen and Helium
• CHelium and Oxygen
• DCarbon and Helium