Science Trivia Questions — page 177

Katie has a mixture of iron filings and sand. She wants to separate them. How can she do this?

• AShake the mixture, and the iron filings will rise to the surface.
• BPass a magnet over the mixture, and the magnet will attract the iron fillings.
• CPut the mixture through a sieve, and the sand will remain in the sieve.
• DAdd water to the mixture, and the sand will dissolve in the water.

A model of an atom includes red marbles for electrons, green marbles for protons, and blue marbles for neutrons. All marbles have a radius of 2 cm. How could the model be changed to represent more properties of an atom?

• Aby using two marbles to represent each neutron
• Bby switching the colors of the marbles
• Cby using two differently colored marbles for protons
• Dby using smaller marbles to represent electrons

Plate movement can form different features on Earth. The movement of tectonic plates can be both a constructive and a destructive force. At which type of plate boundary is new crust formed?

• Atransform
• Bconvergent
• Cdivergent
• Dsubduction

The pull of gravity from Earth has the greatest effect on

• Acomets.
• Bthe Sun.
• Casteroids.
• Dthe Moon.

Which of the following causes a chemical change?

• Asalt added to water
• Bsugar added to soda
• Cdetergent added to water
• Dlemon juice added to milk

What is the best way for a student to describe the results of an experiment?

• Ain a diagram
• Bin a written report
• Cin an oral report
• Din a photo essay

Which invention has technology that helps people keep food fresh for a long period of time?

• Aelectric mixer
• Bdishwasher
• Cmicrowave oven
• Drefrigerator

Most cultures have a solar diety, someone who represents the Sun. Who is the chief solar diety in Hinduism?

• ASurya
• BKrishna
• CBrahman
• DIshvara

Pedro shook a can of soda. When the soda was opened, foam and soda burst from the can. Which statement best explains what happened?

• AThe gas pressure was released from the can.
• BA new substance was formed.
• CThe can absorbed heat from the air.
• DThe sugar in the soda turned into a gas.

The fossils that are found in the oldest layers of sedimentary rock were formed which types of organisms?

• Aonly organisms that lived in the sea
• Bonly organisms that lived in the air
• Conly organisms that lived on land
• Dorganisms that lived on the land, in the sea and in the air

The temperature of water in a glass changes from 5°C to -1°C. How will the water most likely change?

• AIt will melt.
• BIt will boil.
• CIt will condense.
• DIt will freeze.

The functions of a plant's roots are to support the plant and

• Aproduce fruit
• Bmake food
• Ctake in water and nutrients
• Daid in germination

Bracket fungi grow and feed on the dead wood inside of trees. What is the role of bracket fungi in an ecosystem?

• Asecondary consumers
• Bproducers
• Cprimary consumers
• Ddecomposers

For many years, people have been curious about the stars. In the past, people have shared what they knew about the stars through stories and drawings. Which pair of tools would be most helpful for people today to gather and share information about stars?

• Aa notebook and a calculator
• Ba telescope and a computer
• Ca calculator and a microscope
• Da microscope and a telescope

The aloe plant can absorb a lot of water during a rain shower. The extra water is stored in its leaves. The ability to store water in its leaves is most likely an adaptation to which type of environment?

• Aone with dry conditions
• Bone with a variety of organisms
• Cone that receives a lot of sunlight
• Done near the ocean

The cows in a rancher's herd of cattle have been selectively bred to produce milk. Which of the following will cause the next generation of cows to receive the trait for producing large quantities of milk?

• Aessential minerals in the cows' water
• Binformation in the cows' chromosomes
• Celectrical impulses in the cows' brains
• Dnutrients in the cows' food

A boy pulls a sweater off over his head. His hair is attracted to the sweater due to

• Aa magnetic force
• Ban electrical charge
• Ca heat transfer
• Da chemical change

If the nurse writes NKDA on your chart, what does it mean?

• AYou did not pay your bill.
• BYour vital signs are WNL (within normal limits).
• CYou missed an appointment.
• DYou told the nurse you are not allergic to any medications.

Which particle type can be identified as being from a specific element?

• Aproton
• Belectron
• Catom
• Dneutron

Using nonrenewable resources for energy produces waste products that can have long-term, negative effects on Earth's subsystems. Which energy source produces waste products that can have these effects for the longest amount of time?

• Anatural gas
• Bcrude oil
• Curanium
• Dcoal

A scientist reads about an experiment conducted by a researcher.The scientist conducts the same experiment and collects data but this data contradicts what was published by the researcher. What should the scientist do since the data from the two experiments is contradictory?

• ARepeat the experiment to check the data collected.
• BDisregard the data collected since the experiment was published.
• CContact the researcher who first performed the experiment.
• DContact the scientific journal that published the experiment.

What kind of Galaxy is the Milky Way?

• ABarred Spiral
• BSpiral
• CElliptical
• DIrregular

Heat from deep in Earth's interior is transferred to its crust by which of the following?

• Aevaporation at mid-ocean ridges
• Bconvection in the mantle
• Cradiation from the solid core
• Dconduction in the ocean

Which is an example of conduction?

• Aa space heater turned on
• Ba metal spoon warming in a pot of hot soup
• Cwater boiling on the stove
• Dsunlight shining through the window

Two forces act in opposite directions on a wood block. What will happen if the forces are unbalanced?

• AThe mass of the block will change.
• BThe block will balance the forces.
• CThe position of the block will change.
• DThe forces will reverse direction.

Why is the ozone content of the stratosphere important to living organisms?

• AOzone in the atmosphere prevents radiation of heat from Earth.
• BOzone absorbs infrared radiation from the Sun.
• COzone is necessary to create oxygen for living things.
• DOzone absorbs ultraviolet radiation from the Sun.

Which situation would affect an organism's niche in a positive way?

• Aa decrease in the normal temperature
• Ba decrease in livable habitat
• Can increase in the amount of prey available
• Dan increase in the amount of competitors for food

After a heavy rain, a mudslide flows into a pond and mud mixes into the water. Which of the following is most likely to happen?

• AUnderwater plants will receive less light.
• BRaccoons will not be able to find food.
• CFish will have more food.
• DTrees will be able to get more light.

Why is a spacesuit inflated like a balloon?

• Ato provide an oxygen supply for breathing
• Bto protect astronauts from solar radiation
• Cto simulate the air pressure of Earth
• Dto help astronauts float in outer space

Most of the volume of the universe is found in the space between galaxies. Objects found in the regions between galaxies are most likely to be closest in size to which of these?

• Aa dust particle
• Ban asteroid
• Ca planet
• Da star

Charisma has a goldfish she keeps in a tank. She planted several underwater plants in the bottom of the tank. How are the goldfish and the plants in the tank similar?

• ABoth perform photosynthesis.
• BBoth are made up of cells.
• CBoth add oxygen to the water.
• DBoth eat food.

Which information will best help scientists determine if an object is a comet, an asteroid, or a meteoroid?

• Athe object's composition
• Bthe object's diameter
• Cthe shape of the object's orbit
• Dthe speed at which the object travels

Which structure controls what enters both plant cells and animal cells?

• Acell membrane
• Bcell wall
• Cchloroplast
• Dnucleus

What is true of mutualistic relationships among organisms?

• AThe organisms prey on each other.
• BThe organisms cooperate with each other.
• CThe organisms ignore each other.
• DThe organisms compete with each other.

To which organ system do the esophagus, liver, pancreas, small intestine, and colon belong?

• Aendocrine system
• Breproductive system
• Cexcretory system
• Ddigestive system

At 10 A.M. the Sun is shining on a puddle of water on the road. At 2 P.M. the Sun is still shining and the puddle has disappeared. What happened to the water?

• AIt condensed.
• BIt rained.
• CIt froze.
• DIt evaporated.

All of the following human genetic haplogroup names are shared between Y-chromosome and mitochondrial DNA haplogroups EXCEPT:

• AHaplogroup T
• BHaplogroup U
• CHaplogroup J
• DHaplogroup L

A short plant with a thick, fleshy stem, extensive roots, and a short blooming period would most likely be found in which of the following environments?

• Adesert
• Bconiferous forest
• Cprairie
• Ddeciduous forest

What is the name of the property used in this addition equation: 12 + 0 = 12?

• AIdentity property
• BCommutative property
• CAssociative property
• DDistributive property

Through which activity do animals get the carbon that is needed for their bodies?

• Arunning
• Bsleeping
• Ceating
• Dbreathing

What continent is the aardvark native to?

• AAmerica
• BAfrica
• CAsia
• DAustralia

How do plants most commonly break large rocks into smaller pieces?

• APlant roots grow into cracks in rocks.
• BPlant leaves insulate surrounding rocks from extreme temperatures.
• CStems of plants surround and squeeze rocks.
• DSeeds from plants fall onto rocks and release acidic compounds.

What fruit is believed to be the highest in vitamin C content?

• AKakadu plum
• BRose hip
• CLemon
• DKiwi

What term is used by skiers to describe wet granular snow?

• AClumps
• BSnow peas
• CCorn
• DGoobers

Hydrogen has an atomic mass of 1, and oxygen has an atomic mass of 16. When a water molecule forms, two hydrogen atoms combine with one oxygen atom. What is the mass of a water molecule?

• A14
• B16
• C18
• D17

Which event is an example of a chemical change?

• Agrinding peppercorn into pepper flakes
• Bwood burning in a fireplace
• Cice cream melting in the sunshine
• Dfog rising off a river

Guess the missing number in the following sequence: 3, 6, 18, 36, ___, 216, 234, 468, 1404.

• A39
• B72
• C54
• D108

Which of the following comedies has been on TV the most number of years?

• AOzzie and Harriet
• BThe Simpsons
• CSeinfeld
• DM*A*S*H

Procedural Memory, a category of the long-term memory, refers to which of these basic human abilities?

• AThe artistic and creative abilities
• BThe ability to acquire and develop skills
• CThe ability to gain and store general knowledge and information
• DThe ability to consciously retrieve stored facts and information

During a portion of the water cycle, water falls to Earth's surface as precipitation. Some of this water runs off into channels and keeps moving until it ends up in the ocean. Which best describes the water in the channels?

• Awetland
• Baquifer
• Criver
• Dlake