Science Trivia Questions — page 136

Heat transfer by conduction occurs when molecules

• Aform waves that travel through space
• Bflow as currents through liquids
• Cbecome less dense and rise
• Dcollide with other molecules

Which tool should be used to measure the stem length of a plant?

• Aa graduated cylinder
• Ba thermometer
• Ca metric ruler
• Da balance

Mr. A picks three cards from a 52-card deck. Mr. B rolls a pair of dice once. Mr. C rolls three dice. Mr. A must pick three aces. Mr. B must roll a 13. Mr. C must roll a two. Who has the best odds?

• AMr. C.
• BMr. B
• CMr. A
• DThe odds are equal

The constant anticyclonic storm on Jupiter which can be seen through telescopes from Earth is called by what name?

• AThe Red Eye
• BThe Great Red Spot
• CThe Green Belt
• DThe Bright White Eye

This celestial body is the darkest of Uranus larger moons and its most distinctive feature is a large equatorial ring of bright material (supposedly a crater) named Wunda, which contrasts with the rest of the planet's dark surface.

• ATitania
• BUmbriel
• CAriel
• DOberon

What do you call the transfer of pollen grains from the anther to the stigma of flowers?

• AFertilization
• BReproduction
• CPollination
• DMigration

What was the first spacecraft to study the planet Mercury?

• AVoyager 2
• BMariner 11
• CMariner 10
• DMariner 9

What is the composition of Saturn's rings?

• Aammonia and methane
• Bhydrogen and helium
• Cclusters of space debris
• Dchunks of ice and rock

Neurons are cells of the nervous system that send and receive signals. From which portion of a cell does a neuron send a signal?

• Anucleus
• Bsoma
• Caxon
• Ddendrite

Announced in 2002, model 6370 was what manufacturers first CDMA2000 1X handset?

• ANokia
• BSony Ericsson
• CMotorola
• DSiemens

Michael has to write a paper on the formation of red blood cells. In addition to the circulatory system, what other body system should he research to find information about the formation of red blood cells?

• Aimmune system
• Bskeletal system
• Cendocrine system
• Dreproductive system

Which best describes transportation technology?

• Athe building and finishing of structures
• Ban enterprise that changes raw materials into goods
• Cthe conversion of mechanical energy into heat energy
• Da system that is used to move people and products

A hard hat would be used to protect a student during which type of investigation?

• Aa laboratory demonstration on the hardness of minerals
• Ba field trip to a museum of geology
• Ca field investigation of rock layers in a hillside
• Da laboratory investigation of the identification of fossils

What part of the human being is the shen according to traditional Chinese medicine?

• ASoul
• BBreath
• CHeart
• DBodily fluids

As the hawk population increases in an ecosystem, the deer mouse population will most likely decrease as a result of

• Aincrease in disease.
• Bincrease in predators.
• Cdecrease in food source.
• Ddecrease in habitat.

Two pure substances combine to make a new substance. The new substance cannot be physically separated and has a different boiling point than each of the original substances. This new substance can best be classified as

• Aa mixture.
• Ban element.
• Ca compound.
• Dan atom.

Which best explains why population growth can result in water shortages and rationing in certain areas?

• ALake water is reserved for recreation.
• BIncreasing biomass decreases evaporation rates.
• CTall buildings impede the development of rain clouds.
• DAquifers recharge slowly.

What happens when the Sun's energy warms ocean water?

• AThe water evaporates.
• BThe water precipitates.
• CThe water condenses.
• DThe water collects.

The chances of having twins in the 21st century are ...?

• A5 in 100
• B15 in 100
• C3 in 100
• D10 in 100

In the rock cycle, weathering and erosion begin the process of the formation of

• Acrystals.
• Bmagma.
• Cminerals.
• Dsediments.

A red flowered plant (RR) is crossed with a white flowered plant (WW) and produces plants with pink flowers (RW). If two pink flowered plants are crossed, what color offspring could be produced?

• Ared and white
• Bpink and white
• Cpink and red
• Dred, white, and pink

A cyclist travels 3 km north in 25 minutes. What does this information describe?

• Aforce
• Bmass
• Cmotion
• Dgravity

This is the largest planet in our solar system. It is most famous for its Great Red Spot.

• AMars
• BNeptune
• CJupiter
• DSaturn

Which body system is most affected by a disease that causes the bones to become weak and brittle?

• Aexcretory
• Bmuscular
• Cnervous
• Dskeletal

An atom can best be described as

• Aa charged particle that is larger than a molecule.
• Ba charged particle that is similar to a molecule.
• Cthe smallest particle that has all the characteristics of an element.
• Dthe smallest particle that has all the characteristics of a compound.

Choose the investigation that would best answer the question: Does the length of a string change how fast a pendulum swings?

• ATie two different weights to a string.
• BTie two different weights to two identical strings.
• CTie identical weights to a long string.
• DTie identical weights to two strings of different lengths.

When light is reflected off an object and enters the eye, it falls on the

• Apupil.
• Bcornea.
• Clens.
• Dretina.

A lake has been used for more than a century to irrigate crops. How has this practice most likely affected this resource?

• AIt decreased the salt content of the water.
• BIt decreased the volume of the lake.
• CIt increased the number of fish in the lake.
• DIt increased the evaporation rate of the water.

A weather balloon is about 2 meters wide when it is near the ground. It grows to about 6 meters wide at higher altitudes. Which change most likely makes the balloon become wider at higher altitudes?

• ASunlight breaks down the material of the balloon.
• BThe air pressure surrounding the balloon decreases.
• CThe gas inside the balloon gets much hotter.
• DMore gases enter the balloon.

The house cat was believed to be tamed in ancient Egypt. In 2004, the remains of an eight-month old cat buried with its owner were discovered on the Mediterranean island of Cyprus. The date of burial, however, came before Egyptian civilization. Which best explains the importance of the discovery?

• AWildcats were not domesticated.
• BWildcats are not related to house cats.
• CThe period of Egyptian civilization was older than originally thought.
• DCats were domesticated earlier than originally thought.

Centuries ago, people used their knowledge of the stars to

• Amap the Earth's surface.
• Bpredict volcanic eruptions.
• Cnavigate ships.
• Dstudy the weather.

What helps skin feel heat and pressure?

• Ablood cells
• Bbone cells
• Cnerve cells
• Dmuscle cells

Which health condition is an infectious disease?

• Apneumonia caused by microorganisms
• Beye damage caused by ultraviolet light
• Cheart problem caused by a high-fat diet
• Dlung cancer caused by smoking

A metal pan will heat up quickly when placed over a gas or electric burner. The metal pan is a good

• Aresistor.
• Bconductor.
• Cinsulator.
• Daccelerator.

When conducting an investigation involving an open flame, it is most important to

• Asmell the product that is being burned.
• Bturn out the lights to see better.
• Cwear appropriate protective clothing and eyewear.
• Dwork near the sink to put out possible fires.

Which statement is an opinion?

• ALife Science is a subject filled with interesting information.
• BGeology and Oceanography are subjects in Earth Science.
• CBiology is a science that studies complex organisms.
• DChemistry and Physics are major branches of science.

What best explains why some cooking pans have rubber handles?

• AThe rubber in the handles is a good insulator.
• BThe rubber in the handles keeps the food in the pan hot.
• CThe rubber in the handles keeps the metal in the pan cool.
• DThe rubber in the handles is easy to hold.

Which of these is MOST flexible?

• ASewing needle
• BWooden ruler
• CBroom handle
• DDrinking straw

Typical for the animal cells only, lysosomes are organelles built in the Golgi apparatus that contain what type of enzymes?

• ARestriction enzymes
• BAmylase enzymes
• CInhibitors
• DDigestive enzymes

Secondary succession is a process that reestablishes a previously colonized, but disturbed or damaged habitat. Which will most likely result in colonization by large herbivores and carnivores?

• Asaplings and trees
• Bgrasses and shrubs
• Cseedlings and bushes
• Dlichens and mosses

Which stimulus causes a responding plant to demonstrate phototropism?

• Alength of day
• Btime of day
• Cintensity of light
• Ddirection of light

Which unit of measurement do astronomers use when measuring the distance between two stars found in the Milky Way?

• Aastronomical unit
• Blight-year
• Cmeter
• Dkilometer

Anne and her father find a 30-million year-old tropical plant fossil in Louisiana. Which question does the fossil help them answer?

• AWere there earthquakes in Louisiana 30 million years ago?
• BWhat was the climate like in Louisiana 30 million years ago?
• CWere there mountains in Louisiana 30 million years ago?
• DWhat kind of animals lived in Louisiana 30 million years ago?

The brain and spinal cord are parts of which body system?

• Arespiratory
• Bnervous
• Cendocrine
• Dexcretory

Which fictional character had T-Negative blood type?

• AThe Scorpion King
• BKing Billy Haraah
• CDr. Who
• DMr. Spock

There are different types of desert. What do they all have in common?

• Alow day and night temperatures
• Blow rainfall
• Clong summers
• Dwarm winters

In the Northern Hemisphere, June 21st has more hours of sunlight than any other day. However, June 21st has the fewest hours of sunlight in the Southern Hemisphere. Which best explains why the Northern Hemisphere receives more daylight than the Southern Hemisphere on the same day?

• AEarth rotates on its axis
• BThe Sun moves closer to the Northern Hemisphere
• CThe Sun releases more energy to the Northern Hemisphere
• DEarth is tilted on its axis

What is the weight of the smallest known bird egg on the planet?

• A0,5 grams
• B2,5 grams
• C5 grams
• D1 gram

To pump blood through the body, the heart must overcome the force of gravity. Which body position would require the least work from the heart?

• Akneeling
• Bsitting
• Clying down
• Dstanding

What was the first living creature in space?

• AFruit Flies
• BDog
• CMouse
• DMonkey