Science Trivia Questions — page 41

The entire hereditary information of an organism held in the Deoxyribonucleic acid (DNA), is defined by which term?

• Agenome
• Bregulome
• Cproteome
• Dcryptome

An object such as a hammer weighs less on the Moon than on Earth. This is because the Moon has a

• Asmaller diameter than Earth.
• Bthinner atmosphere than Earth.
• Cstronger magnetic field than Earth.
• Dlower mass than Earth.

What season is the Northern Hemisphere experiencing when it is tilted away from the Sun?

• Awinter
• Bsummer
• Cautumn
• Dspring

How do producers get energy?

• Aeating plants and seeds
• Bbreaking down organisms through decay
• Cusing the sun to make food
• Deating other animals

Tall plants are dominant to short plants. What is the outcome if two short plants are crossed?

• Aall short plants
• Ball tall plants
• C1/4 tall plants, 1/3 short plants
• Dhalf tall plants, half short plants

Where are proteins synthesized?

• Acentrioles
• Blysosomes
• Cribosomes
• Dmitochondria

Lions tend to prey on primary consumers like zebras and gazelles. If there were a sudden decline in a population of lions, which ecological imbalance would most likely occur in the habitat?

• Aoverproduction of greenhouse gases
• Bovergrazing
• Cinvasion by non-native species
• Deutrophication

The longitude of a location determines which time zone it is in. Different time zones are the result of

• AEarth's rotation
• BEarth's revolution
• Cthe Moon's rotation
• Dthe Moon's revolution

A lightning bolt can produce what voltage?

• A1 billion volts
• B400 million volts
• C4 million volts
• D1 million volts

What part of a plant needs sunlight to do its job?

• Aroot
• Bstem
• Cleaf
• Dflower

One end of a metal rod is placed over a flame during an investigation. A thermometer is touching the opposite end of the metal rod. Which best describes what is happening during this investigation?

• AMechanical energy from the flame carries heat to the thermometer.
• BConvection carries heat to the thermometer.
• CHeat from the flame is conducted through the metal rod to the thermometer.
• DRadiant energy warms the thermometer.

A difference between the oceanic crust and the continental crust is that the oceanic crust is

• Aolder than the continental crust.
• Bcontinually being created.
• Cmore dense than the continental crust.
• Dcomposed chiefly of sedimentary rocks.

Since 1961, Nevada has led the United States in production of which resource?

• Agold
• Buranium
• Ciron
• Dlumber

For half an hour, a student watches two different types of flowering bushes and counts the number of butterflies that come to feed on each bush. What would be the best way to show the data?

• Aa scatterplot
• Ba bar graph
• Ca line graph
• Da pie chart

A car and a truck are traveling at the same rate of speed. The vehicles approach a stop sign. Which statement best explains why the car stops in a shorter distance than the truck?

• AThe truck has a smaller mass requiring less force to stop.
• BThe car has a smaller mass requiring more force to stop.
• CThe car has a larger mass requiring less force to stop.
• DThe truck has a larger mass requiring more force to stop.

A student is investigating solar energy by cooking food in an oven powered by the Sun. On which of the following days will the food cook most quickly?

• Aa warm, rainy day
• Ba warm, sunny day
• Ca hot, cloudy day
• Da warm, cloudy day

Which items would take the least amount of time to decompose in nature?

• Apaper cups
• Bcut grass
• Cnewspapers
• Dcut down trees

Feathers, wings, and the hollow bones of birds are examples of

• Aresponses to stimuli
• Breproductive structures
• Cadaptations for flight
• Dunnecessary body parts

How many natural satellites does Jupiter have?

• A18
• B60
• C56
• D63

A teacher asks her students to examine titles of four scientific articles. Which titled article is specifically about a chemical change?

• AHow Baking Soda Reacts With Vinegar
• BHow Elements Can Change Phase When Heated
• CHow Metals Respond to Electrical Currents
• DHow Rust Can Be Scraped off of Metal

Which system produces most of the hormones in the human body?

• Aendocrine
• Bdigestive
• Ccirculatory
• Drespiratory

Large populations of tortoises inhabited the Galapagos Islands before humans. When humans settled on the islands and introduced goats, the number of tortoise declined. What is most likely the explanation for the decrease in the tortoise population?

• AGoats consume tortoise hatchlings.
• BGoats compete with tortoises for vegetation.
• CGoats contribute to soil erosion.
• DGoats pollute water sources.

A ship leaks a large amount of oil near a coastal area. Which statement describes how the oil most likely will affect the coastal habitat?

• ACoastal plants will have access to more nutrients.
• BWater birds will be unable to use their wings.
• CFish reproduction rates will increase.
• DWater plants will be exposed to more sunlight.

Volcanic eruptions early in Earth's history are believed to be responsible for a large proportion of the matter now found in which Earth structure?

• Aozone layer
• Bhydrosphere
• Casthenosphere
• Dmantle

Farmers grow different types of crops. Which of the following factors would most affect the type of crop a farmer grows?

• Adepth of soil
• Bthe number of seeds available
• Cthe amount of land available
• Damount of rainfall

Bacteria are organisms that reproduce asexually. What would the traits inherited by a newly produced bacterium be like?

• Athe same traits as the single parent
• Bsimilar traits as two parents
• Cdifferent from the traits of the single parent
• Ddifferent from the traits of two parents

The Theory of Plate Tectonics revolutionized scientific thought because it

• Amapped the pattern and frequency of earthquakes.
• Bexplained the movement of oceanic and continental crusts.
• Cdemonstrated how tidal forces affect coastlines.
• Dexplained the mineral differences between continents.

Sarah's class is learning about mixtures and solutions. Her teacher writes four statements on the board. Which statement best describes a mixture?

• AOne substance dissolves into another.
• BOne substance can be separated from the other.
• CBoth substances mix evenly.
• DBoth substances can evaporate.

What do we call the study of male health and male diseases?

• Aandrology
• Boology
• Cophiology
• DTestrology

Earth's rotation (turning on its axis) causes

• Athe seasons to change.
• Bsolar eclipses.
• Cthe Moon to appear as different shapes.
• Dday and night.

A positively-charged hydrogen ion has a much smaller radius than a neutral hydrogen atom. Which best explains this difference?

• AElectrons are located far from the nuclei of their atoms.
• BMost of the volume of atoms is filled with the particles they contain.
• CThe repulsion of protons and neutrons keeps them on opposite ends of atoms.
• DThe nucleus is the least dense region of an atom.

Pi Day is celebrated by many lovers of the mathematical constant, π, on what date?

• AJanuary 13th
• BMarch 14th
• CMay 5th
• DDecember 3rd

Which sequence of energy transformations occurs after a battery-operated flashlight is turned on?

• Aelectrical -> chemical -> light
• Belectrical -> light -> chemical
• Cchemical -> electrical -> light
• Dchemical -> light -> electrical

Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?

• AGravity increased.
• BFriction increased.
• CMagnetism decreased.
• DInertia decreased.

This term refers to the organs that fill your abdominal cavity and chest.

• Acirculatory system
• Bimmune system
• Cviscera
• Dcementum

Scientists can identify an element by looking at the structure of a single

• Aatom.
• Bneutron.
• Cmolecule.
• Delectron.

When rocks are exposed to wind, rain, heat, ice, or waves, the rocks

• Acontract.
• Berode.
• Cfold.
• Dmelt.

Which of these events have the most influence on regional climate?

• Atemperature inversions
• Bwinter snowstorms
• Cocean trade winds
• Dfrequent tornadoes

Which statement would most likely be included in a news report about an approaching hurricane?

• AOpen the windows to equalize air pressure.
• BExpect wind speed to decrease for the next several hours.
• CEvacuate low-lying areas near the coast.
• DInstall snow tires and check the antifreeze in the car radiator.

Which property of water can cause a rock to break apart?

• AWater boiling at 100°C.
• BWater having a high surface tension.
• CWater losing energy slowly.
• DWater expanding as it freezes.

One example of a living thing is

• Awater
• Ba rock
• Cair
• Da worm

Which organism is able to work together with other cells of its species?

• Aparamecium
• Beuglena
• Camoeba
• Dvolvox

Which characteristic would best help a land animal survive in a cold Arctic climate?

• Alarge ears
• Bslender body
• Cthick fur
• Dsmooth feet

Bergamot oil was discovered by this great explorer, born in Genoa, the son of a wool merchant and weaver.

• AMarco Polo
• BFernando Magelan
• CAmerigo Vespucci
• DChristopher Columbus

In a forest, how do decomposers help other organisms survive?

• AThey put nutrients into the soil that plants use to grow.
• BThey release oxygen into the air that animals breathe.
• CThey use sunlight to make food for plants and animals.
• DThey provide shelter in forests where animals can hide.

The Sun appears to move across the sky each day, rising in the east and setting in the west. What causes this apparent motion?

• Athe Earth's distance from the Sun
• Bthe properties of Earth's atmosphere
• Cthe rotation of Earth on its axis
• Dthe revolution of the Sun around Earth

In the first half of this century, which technology allowed people, for the first time, to work IN the city but live OUTSIDE the city?

• Aairplanes
• Btelevision
• Ctelephones
• Dautomobiles

What are common side effects of pregnancy?

• AStretch marks
• BAll of the these
• CMorning Sickness
• DWeight gain

Three main sequence stars are being compared. Which characteristic would these three stars most likely have in common?

• Abrightness
• Bchemical composition
• Cdistance from Earth
• Dtemperature

What are adult cardinals able to do that baby cardinals are unable to do?

• AFly
• BBreathe air
• CMake noise
• DSleep