Science Trivia Questions — page 45

A student has one liter of feathers and one liter of iron nails. Which statement best compares the masses of the two samples?

• AThe mass of the feathers is greater than the mass of the nails.
• BThe masses cannot be compared without a balance.
• CThe mass of the feathers is less than the mass of the nails.
• DThe mass of the feathers is the same as the mass of the nails.

Which property of an object is identified using the sense of smell?

• Aweight
• Bodor
• Ccolor
• Dtemperature

The Wright Brothers' invention has had the greatest impact on

• Acommunication.
• Bmass production.
• Ctransportation.
• Dspace exploration.

Which of these statements best describes the rock cycle?

• ALunar rocks change into terrestrial rocks.
• BNew rocks form from older rocks.
• CRocks in the ocean become rocks on land.
• DLayers of rock are broken by faults.

Which of the following 4 people is most likely to be eligible for the US health program Medicaid?

• AA 25-year-old self-employed woman with 5 children
• BA 25-year-old self-employed married man with 5 children
• CA 25-year-old single man who is unemployed
• DA 25-year-old single woman who is pregnant and unemployed

What is considered the rarest form of color blindness?

• APurple
• BRed
• CGreen
• DBlue

Geotropism is a response by plants to which force?

• Afriction
• BEarth's magnetism
• Cair pressure
• Dgravity

Cells take in food for energy. The part of the cell that aids in digestion of the food is the lysosome. What is the main role of lysosomes in the process of food digestion?

• Abuilding proteins
• Bbreaking down wastes
• Ccontrolling the activities of the cell
• Dconverting energy from one form into another

What happens to the water vapor in an air mass as it ascends?

• AIt condenses.
• BIt vaporizes.
• CIt polarizes.
• DIt freezes.

Which object has the greatest flexibility?

• Apaper cup
• Bmetal nail
• Cglass bottle
• Dwooden block

What property is the same for each atom of an element?

• Amass number
• Bnumber of neutrons
• Cenergy
• Datomic number

Sodium chloride (NaCl) is formed in a chemical reaction between sodium (Na) and chlorine (Cl_{2}). What is sodium chloride?

• Aan element
• Ba mixture
• Can atom
• Da compound

The majority of the fresh water on Earth is frozen in glaciers and ice caps. If the climate changed around the world, causing glaciers and ice caps to melt, which situation would most likely occur?

• ALand masses would become smaller.
• BLand would become more fertile.
• COcean water would become saltier.
• DAir temperatures would decrease.

Which of these resources is renewable?

• Awind
• Boil
• Ccoal
• Dnatural gas

Repeated pesticide use on an insect population can result in some of the insects becoming resistant to that pesticide over time. Which process is responsible for the pesticides no longer being effective on the insects?

• Abottleneck effect
• Bnatural selection
• Cdivergent evolution
• Dselective breeding

Historically, how has the compass been used?

• Ato measure temperature
• Bfor mineral identification
• Cfor navigation
• Dto predict weather

Which liquid most likely contains a dissolved gas?

• Ahouse paint
• Bmud puddle
• Ccarbonated soda
• Dwhole milk

The earliest evidence of animal life comes from this period.

• ACarboniferous
• BVendian
• CCambrian
• DOrdovician

What is one way that humans can maintain good health?

• Astay up late
• Beat snacks often
• Cexercise daily
• Dsleep all day

Rhinoceroses and horses are related. They have very similar digestive systems and an odd number of toes on their feet. Horses have one toe, and rhinoceroses have three. These facts best support which claim?

• AHorses are the ancestors of modern rhinoceroses.
• BHorses and rhinoceroses are genetically identical.
• CHorses have descended from modern rhinoceroses.
• DHorses and rhinoceroses share a common ancestor.

How does sweat on the skin help the body?

• ASweat stops sunburn.
• BSweat heals cuts.
• CSweat feeds the skin.
• DSweat cools the body.

When sugar is heated on a hot plate, it turns into a liquid. When the liquid sugar is cooled, a hard-crystalline substance is formed. This model best demonstrates the formation of

• Asedimentary rocks.
• Bmetamorphic rocks.
• Cigneous rocks.
• Dmolten rocks.

What is the lightest element that is a metal?

• ALithium
• BBoron
• CTitanium
• DCobalt

If it is determined that the particles in one solid are arranged in a repeating pattern and the particles in another solid are arranged randomly, what must be true about the solids?

• AThey are different substances.
• BThey are different mixtures.
• CThey have the same weight.
• DThey have the same densities.

In the group of whole numbers under addition, what is the additive identity of 7?

• A0
• B1/7
• C-7
• D1

The sum of all chemical reactions in the human body is known as

• Abiological adaptation
• Bdynamic equilibrium
• Cmetabolism
• Dfeedback

Which statement about the electromagnetic spectrum is accurate?

• AGamma waves travel faster than radio waves.
• BVisible light waves are a small part of the spectrum.
• CX-rays travel slower than infrared waves.
• DUltraviolet waves make up most of the spectrum.

What renewable energy source used to make electricity is thought to be always available?

• Aoil
• Bnuclear
• Cwind
• Dcoal

Melinda learned that days in some seasons have more daylight hours than in other seasons. Which season receives the most hours of sunlight in the Northern Hemisphere?

• Awinter
• Bspring
• Cfall
• Dsummer

Which is an example of a single-celled organism?

• Aamoeba
• Bworm
• Cfish
• Dinsect

Which of the following is an example of an acidic solution?

• Ableach
• Bsugar water
• Cvinegar
• Dsalt water

Living things are classified as producers or consumers according to

• Ahow they obtain food
• Btheir speed of movement
• Cthe size of their communities
• Dhow they reproduce

Which illness is associated with a weakened immune system in the body?

• Atetanus
• Bmeasles
• Ccancer
• Drabies

A pharmaceutical company published experimental data showing that a new medication improved cholesterol levels in the people who participated in the study. Which professional most likely did not contribute to developing this medication?

• Aa geologist
• Ba chemist
• Ca biologist
• Da physician

Two chemicals are mixed in a test tube and a chemical reaction takes place. If this reaction is endothermic and the test tube is touched, which of the following best describes what is felt?

• AThe test tube is the same temperature as the air.
• BThe test tube is cold.
• CThe test tube is warm.
• DThe test tube is very hot.

Which of the following best explains why the tectonic plates of Earth move?

• Aglobal winds
• Bconduction from solar heating
• Cocean currents
• Dheat convection from the mantle

If a wooded area is cleared and corn is planted, what will MOST likely happen?

• AWeather patterns will change.
• BAnimal habitats will be destroyed.
• CUnderground streams will get polluted.
• DThe air will become polluted.

When you ping a network node, which protocol is being utilized?

• AICBM
• BARP
• CRIP
• DICMP

The mixing of cold Arctic Ocean water with warm surface Atlantic currents off the northwestern coast of Europe causes which effect?

• Arise in water salinity and upwelling of affected currents
• Brapid evaporation and acceleration of currents toward the pole
• Creversal of current direction back toward the European coast
• Dsinking of water as it circulates southwest

During cellular respiration glucose molecules undergo a series of reactions. This process results in the formation of up to 38 molecules of high-energy ATP per each molecule of glucose. Which is the source of the energy stored in these ATP molecules?

• Akinetic energy generated by the chemical reactions
• Belectric current created during the destruction of electrons in the glucose
• Cpotential energy from the difference in the concentration gradients of the cell
• Dchemical energy originally stored in the glucose molecule

Electrical energy may sometimes be converted to mechanical energy. Which of these appliances converts electrical energy into mechanical energy?

• Alamp
• Bstove
• Cfan
• Dradio

Astronomers and biologists study different areas of science. Many astronomers observe far distant objects in the sky. Many biologists study extremely small objects. What do these astronomers and biologists have most in common?

• AThey both make discoveries using optical devices.
• BThey both examine the history of life on Earth.
• CThey both search for evidence about the origins of the universe.
• DThey both study how organisms change over time.

Which environmental factor would most likely prevent an orange tree from surviving in the desert?

• Athe high levels of heat
• Bthe lack of moisture
• Cthe low levels of sunlight
• Dthe extra amount of wind

In Florida, both panthers and bobcats prey on white-tailed deer. How will their competition for food most likely be affected if white-tailed deer populations in Florida suddenly decreases?

• ACompetition will increase between bobcats and panthers.
• BCompetition will decrease between white-tailed deer and panthers.
• CCompetition will increase between white-tailed deer and bobcats.
• DCompetition will decrease between bobcats and panthers.

Which behavior is an example of an animal adapting to a change in the environment?

• Aa bird migrating south
• Ba squirrel climbing a tree
• Ca frog eating an insect
• Da rabbit feeding its young

In living things, traits are passed on from one generation to the next by the transfer of

• ACalories
• BDNA
• Cblood
• Dminerals

Does liquid mercury float on liquid gold?

• AYes
• BNo

Plants are producers because they

• Atake in nutrients
• Bcan grow in soil
• Cmake their own food
• Dneed water to grow

Clara says that her school is in a desert. Which fact about her schoolyard most helps her claim?

• AThe schoolyard gets warm in the summer.
• BThe schoolyard gets little rain during the year.
• CThe schoolyard has rocks and sand.
• DThe schoolyard has few trees.

Which of these events is an example of a change in climate?

• AThe average amount of annual precipitation decreases.
• BA series of tornadoes occurs over a one-week period.
• CAfternoon clouds form and block the sunlight.
• DAn overnight temperature drop causes frost to form.