Science Trivia Questions — page 127

Which human organ system primarily exchanges gases between the body and the atmosphere?

• Arespiratory
• Bskeletal
• Cnervous
• Dexcretory

Gavin has two rocks. Both rocks are made up entirely of the same mineral. What other property of his two rocks is most likely to be the same?

• Asize
• Bweight
• Ccolor
• Dshape

Which describes the composition of carbohydrates?

• Amonomers bonding to form polymers
• Bamino acids bonding to form polypeptides
• Csaccharides bonding to form polysaccharides
• Dlipids bonding to form phospholipids

The petals of flowers often are brightly colored. These petals provide a benefit for the plant because they —

• Ahide the plant from predators that would eat its flowers
• Bprevent insects from taking pollen to other flowers
• Cattract insects that can carry the pollen needed for plant reproduction
• Dprotect the leaves from injury by birds and insects

The function of a plant's roots is to take in

• Anutrients and water
• Blight and water
• Cnutrients and soil
• Dlight and air

The culture of physics research differs from the other sciences in the separation of these two.

• AMicroscopic and macroscopic
• BAbstract and real
• CTheory and experiment
• DVisible and invisible

Students are investigating the physical properties of three solid mixtures by placing each solid mixture in liquid water. What physical property are the students testing?

• Aboiling point
• Bmelting point
• Csolubility
• Dconductivity

The cells of a plant help the plant maintain its life functions. What part of a plant cell has the function of producing sugar in the presence of sunlight?

• Anucleus
• Bchloroplast
• Cmitochondria
• Dcytoplasm

Sydney is learning about the sources of energy that can run out. Which energy source will run out the fastest?

• Anatural gas
• Bsunlight
• Cflowing water
• Dwind

Of these roof types, which one is least likely to have gables?

• AGambrel Roof
• BHipped Roof
• CCat Slide Roof
• DPitched Roof

The human body is made up of different levels of organization. A tissue is a group of cells that work together to perform a specific function. Which would be an example of a tissue in the human body?

• Astomach
• Bmuscle
• Cplatelets
• Dhair

Which of the following is an example of a chemical change?

• Aclouds forming
• Ba candle burning
• Csugar dissolving
• Dwater freezing

Which action does a kitten learn from its mother?

• Ahow to hunt mice
• Bhow to meow
• Chow to grow
• Dhow to nurse milk

If the doctor orders an EKG, what part of the body is going to be examined?

• AAbdomen
• BHeart
• CBrain
• DPeripheral Nerves

In 1883 Otto Lilienthal became the first person to successfully fly this type of aircraft.

• AHeavier than air balloon
• BGraf Zeppelin
• CThermaclimber
• DGlider

Which item would a magnet attract?

• Awool cloth
• Biron nail
• Cwooden stick
• Dglass marble

Which of the following models of double-stranded DNA replication proved to be correct?

• ASemiconservative replication
• BSemidispersive replication
• CConservative replication
• DDispersive replication

The 2005 movie Water centered on people from this country.

• AMorocco
• BChad
• CIndia
• DChina

In the human body, what part of the central nervous system connects with other nerves outside of the central nervous system?

• Adendrite
• Bspinal cord
• Ccerebrum
• Dcerebellum

How is xylem similar to phloem in a plant?

• AThey both make sugar in the leaves.
• BThey both transport materials through the plant.
• CThey both store waste products in the plant cells.
• DThey both take in water from the soil.

A researcher found shark fossils on top of a mountain. This evidence suggests which of the following about this region?

• AIt was once covered by an ocean.
• BIt was once below a waterfall.
• CIt was once near a freshwater lake.
• DIt was once part of a riverbed.

Troops who are likely to be attacked with chemical weapons often carry auto-injectors with this substance.

• ADigoxin
• BSolanine
• CDigitoxin
• DAtropine

Moving water in a river is considered a renewable resource because it

• Acan be recycled by nature over time
• Beasily erodes sediments
• Ccarries dissolved oxygen
• Dis made of natural gas

An astronomical unit (AU) refers to the distance between

• Athe Sun and the nearest star.
• BEarth and the Moon.
• Cthe Moon and the Sun.
• DEarth and the Sun.

Which energy source could involve a dam?

• Ahydroelectric power
• Bgeothermal energy
• Csolar power
• Dbiomass

What are the odds that you will be killed by lightning in the USA?

• A2,320,000 to 1
• B506,000 to 1
• C360,200,000 to1
• D23,200,000 to 1

Which is the correct sequence for the stages in the life cycle of a butterfly?

• Alarva; pupa; egg; adult
• Begg; larva; pupa; adult
• Cegg; pupa; larva; adult
• Dadult; larva; pupa; egg

This astral body, known as Earths only natural satellite, is the subject of study selenology.

• ASun
• BMoon
• CVenus
• DJupiter

Which system supports the body, protects internal organs, and makes blood cells?

• Anervous system
• Bmuscular system
• Ccirculatory system
• Dskeletal system

Where does a landslide begin?

• Aa plain
• Ba low hill
• Ca mountain
• Da basin

A water company uses lab tests on the water supply before sending the water through pipes to people's homes. How do these lab tests help people?

• Aby adding minerals and nutrients to the water
• Bby filtering chemicals and organisms out of the water
• Cby checking the water to make sure it is safe to drink
• Dby stopping harmful substances from entering the water

What safety procedure should a student follow when a thermometer is broken during a lab experiment?

• Atell the teacher immediately
• Buse a paper towel to pick up the pieces
• Csweep the glass into a biohazard container
• Dstop the experiment immediately

The organ of Corti, named after Alfonso Corti, is located in this body part of mammals.

• AMammary gland
• BEye
• CInner ear
• DForebrain

A student stirred some sand into a container of water and left the mixture alone for several hours until the sand settled on the bottom of the container. Which statement best explains why the sand separated from the water?

• AWater is a liquid and sand is a solid.
• BSand particles are denser than water.
• CThere was more sand than water.
• DThe sand was insufficiently stirred.

Which of these explains how a trench can form?

• Atwo oceanic plates diverging
• Btwo continental plates diverging
• Ctwo continental plates converging
• Dtwo oceanic plates converging

An increase in phosphate levels in a lake increases the population of algae in the lake. Increased algae blocks sunlight into the lake and results in a decrease in dissolved oxygen in the lake's water. Which of the following should be expected as a result?

• APlant populations in the lake increase.
• BFish populations in the lake decline.
• CMore predatory birds feed on lake animals.
• DPhosphate levels in the lake decrease.

When an electric fan is running, most of the incoming electrical energy changes into which kind of energy?

• Amechanical energy
• Bheat energy
• Clight energy
• Dsound energy

Which of these is a celestial body, which produces the effect known as shooting star?

• AMeteoroid
• BAnother planets satellite
• CComet
• DAsteroid

Scientists from around the world would most likely meet at a conference held in Paris, France, to

• Ateach students the importance of education.
• Blearn how to speak the same language.
• Cwork together on scientific research.
• Dshow other scientists the scientific method.

When bedrock in Massachusetts is examined, it often appears scraped and polished. Which of the following most likely caused the bedrock to appear scraped and polished?

• Avolcanic eruptions
• Bfrequent earthquakes
• Cglacial movement
• Dcrustal deformation

A chef uses a metal spoon to stir noodles cooking in a pan. After five minutes, she notices that the thermal energy from the pan has made the spoon

• Awet.
• Bhot.
• Ccold.
• Ddry.

Let's say you want to know whether a medication is effective for curing the common cold. You take 1,000 people with colds, and divide them into 2 groups of 500. You give the medication to one group, and placebo to the other group. To make this a DOUBLE-BLIND study, what would you have to do?

• AConceal from both the patients and the experimenters which pills are medication and which pills are placebo.
• BPut blindfolds on the 500 people who get the medication.
• CDon't tell the administrators of the experiment whether they're giving out medication or placebo.
• DDon't tell the patients of either group whether they're getting medication or placebo.

What does the word tornado literally mean?

• ADevil
• BDanger
• CThunderstorm
• DDeath

Directions Read the information about wind erosion then answer the question. Wind can cause erosion that changes the surface of the Earth. Wind erosion can have negative effects on the environment by removing soil and polluting the air during dust storms. What is one way to prevent wind erosion?

• AConstruction workers can wet the ground before driving on it or digging.
• BRanchers can let their cattle graze in areas with little plant growth.
• CFarmers can remove all plant material in the soil between planting seasons.
• DPeople can drive off-road bikes across the desert.

Which of the following is a mineral?

• Awood
• Bdiamond
• Cplastic
• Dsteel

In the United States, each day the Sun appears to

• Arise in the west and set in the east.
• Brise in the north and set in the south.
• Crise in the south and set in the north.
• Drise in the east and set in the west.

About how many Earth days does it take the Moon to travel around Earth?

• A365
• B27
• C180
• D1

When two animals live in the same area and depend on the same organism for food, they are

• Ahibernating
• Bdecomposing
• Cgerminating
• Dcompeting

Tooth decay is an infection that causes deterioration of the protective enamel on teeth, resulting in damage. Tooth decay is most likely caused by

• Aacidic food.
• Bgenetic defects.
• Cbacteria.
• Dallergies.

What best describes skin?

• Aflexible
• Bbrittle
• Chard
• Dstiff