Science GED Test 99 Questions with Verified Answers
Heat capacity of water and sand - CORRECT ANSWER Organism living in ocean have heat capacity 5X
... [Show More] greater than organism living in the sand
Human genome project (HGP) - CORRECT ANSWER Gene have been overestimated
Hammer and feather drop - relationship btw kinetic energy of hammer and feather before hit the surface of the moon ? - CORRECT ANSWER Hammer has more kinetic energy than feather because it has more mass
Natural selection - CORRECT ANSWER survive in environment and productivity produce more offspring
Artificial selection - CORRECT ANSWER Human imposed
Scitific measurement used to measure length of fly larvae? - CORRECT ANSWER milimetre
Graph represented by info about fruit fly - CORRECT ANSWER สาร x เพิ่มขึ้น, length y ลดลง (graph)
Chimpanzee and bonaboo - CORRECT ANSWER Chimpanzee and bonabo most shared common ancestors
kneepad test - probability of force failure in 145 or greater? - CORRECT ANSWER 25%
Vitamin c intake - conclude from chart? - CORRECT ANSWER Both men and women consume supplement meet the recommended daily vitamin c intake
Meiosis - CORRECT ANSWER Tri-II help chromosome separated
Range insolation - best range - CORRECT ANSWER 140,000-160,000
Calories - CORRECT ANSWER Graph name - total calories (mg) on y axis สูงไปต่ำ
Renewable energy - statement contradict to use in newable energy surge in recent year ? - CORRECT ANSWER Price of oil cheaper
Roller coaster diagram - position 1 to 2 - CORRECT ANSWER Gravitational potential energy decrease, total energy remain the same
Variable that effect to Glacial expansion - CORRECT ANSWER is winter temperature because temperature in the past is very lower than the present
Limiting reagent - CORRECT ANSWER Limiting reagent is the substance that totally consumed after reaction
salt , water experiment - factor change in order to make a valid conclusion>? - CORRECT ANSWER The mass of ice cube and initial temperature should be the same
Carbonated soft drinks/ carbonation - CORRECT ANSWER bottle 1 highest carbonation = low temp, high pressure and sealed
Earth age - main idea of this passage - CORRECT ANSWER radioactive atom help dating earth age.
Climate change milankovitch / human activity - CORRECT ANSWER 1. the main temp increases, 2. use anthropological model to demonstrate
Chemical equation - CORRECT ANSWER H2O + energy is the reactant
Balance chemical - CORRECT ANSWER 4 S , 3 H2O
Viral infection over 2 months period - CORRECT ANSWER Birth rate (y), Death rate increases, survived remain the same, birth rate increases
Best explain apple from graph ? - CORRECT ANSWER Apple - 2nd to Cranberry
Conclusion on Algae grow faster than coral - CORRECT ANSWER temp increase and CO2 intensify increase, zooxanthelae decreases.
Isotope - CORRECT ANSWER same element, same no. of protons but differ no. in neutrons and atomic mass
Isotope in chart - CORRECT ANSWER Isotope have same number of protons and electrons
Non native species - CORRECT ANSWER amount of worm (y), year (x) when shrubs remove -decreases, no. worm - decreases
Nuclear fusion and star luminosity - conclusion - CORRECT ANSWER people on earth can see because there's a lot of energy
5 step experiment - CORRECT ANSWER 1. identify study site, 2. collect mass and plant, 3. ,4. choose one that doesn't say identify , 5. analysis data and measure the mean of ph level change
Average women shoe size in year 2040? - CORRECT ANSWER add the all numbers divided by n
why does H2 obtain more energy than He does? - CORRECT ANSWER Because H2 has shorter wavelength or He has longer wavelength
Conclusion H2 obtain more energy than He ? - CORRECT ANSWER longer wavelength will release lower energy
Research of Sommer and O'Brain about cheetah - CORRECT ANSWER Sommer was more valid - examine gene, Obrain only ski n thrift
Endothermic reaction - CORRECT ANSWER absorb heat
Exothermic energy - CORRECT ANSWER release heat
Biodiesel - CORRECT ANSWER less expensive, renewable, clean-burning fuel .
Structure of battery - CORRECT ANSWER Phosporus - Magnetic- Borax
Microbial fuel cell - CORRECT ANSWER Bacteria create energy and use as electricity with process by oxygen free
Apple drop - CORRECT ANSWER G ; Decrease
K ; Increase
Drop/throw rock - CORRECT ANSWER air resistance
Blood group - CORRECT ANSWER AB 25%
Meiosis - CORRECT ANSWER Sex cells only
Mitosis - CORRECT ANSWER Body cell only
Biological diagram - CORRECT ANSWER to show flow of energy in ecosystem
light bulbs - CORRECT ANSWER parent 46, daughter 23
Lever - CORRECT ANSWER Dis (y), Force (x), negative correlation ซ้ายสูง ขวาต่ำ
Slide object to the floor - CORRECT ANSWER kinetic increase, mechanical remain the same
Hydro structure - CORRECT ANSWER Proton in the middle , Neutron in the middle, electron on the line
Solubility of solid - CORRECT ANSWER temp increase, sugar increase
Mussel life cycle - CORRECT ANSWER Adult, larvae, host, Juvenile, Sub- adult
Triclosan - CORRECT ANSWER age 25-29 use triclosan product most
magnetic field - CORRECT ANSWER magnetic field decrease in every year because earth rotation
Catfish and frog - CORRECT ANSWER four limbs
Photosynthesis - CORRECT ANSWER 6CO2 + 6H2O ----> C6H12O6+ 6O2
CO2 from air, H2O absorb from roots, O2 release to air, sugar on leaf
Earthquake - CORRECT ANSWER R = highest amplitude
Biothernal - CORRECT ANSWER A - process of fossilization of plant, animal take longer time
median kinetic energy - CORRECT ANSWER B = 326000 ks
Earthquake 5 - CORRECT ANSWER 1 out of 10 , percentage = 70%, 1 and 2 = 12 %
Independent variable - CORRECT ANSWER clowbar length ด้าม = input
CWD - CORRECT ANSWER 2 contradict 1 because opposing about how it spread
breathing rate - CORRECT ANSWER repeat measurement for each animal
1. record size
2. record...
3. record breathing rate
mosses - CORRECT ANSWER 1. identify size/study
2.identify species
3. identify ph
4. collect data and ph in site
5. compare
reducing reaction - CORRECT ANSWER lower oxidation state of one or more substance
Rat hard water and soft water - CORRECT ANSWER Group B 2 times
main idea of soft water - CORRECT ANSWER A = soft water removing calcium
saturn ring - CORRECT ANSWER B = large ice, small carbon rocks
Rip current - CORRECT ANSWER C = cannot navigate
Fungus - CORRECT ANSWER C = hypothesis support = mutualism
Yeti crab - CORRECT ANSWER yeti crab use bacteria as food source (methane gas)
Soulbility increase graph - CORRECT ANSWER soulibility increase and temp increase
Petesus - CORRECT ANSWER 3 , 6
Boxide enzyme - CORRECT ANSWER temp increase, percent of enzyme (y) decrease
Corostal erosion error - CORRECT ANSWER 5 beaches
Independent different rock - CORRECT ANSWER D = wheter rocks in the chamber
Median 10 car - CORRECT ANSWER 178.
PV=nRT - CORRECT ANSWER D= lower air pressure at higher altitude
DNA - CORRECT ANSWER PNA ,DNA ,RNA
Hydro power - CORRECT ANSWER Larger funnel
________ is done when force applied to an object moves the object :
A.Transformation
B.Biological Kindness
C.Conservation
D.Work - CORRECT ANSWER D.Work
A windmill is used to create electrical energy.
This change from one form of energy to another is called:
A. Energy transformation
B. Kinetic energy
C. Mechanical energy
D. Electrical energy - CORRECT ANSWER A. Energy transformation
I put a Pop-Tart in the toaster. Electrical energy is transformed to thermal energy to make my Pop-Tart hot. Based on the Law of Conservation of Energy, once my Pop-Tart starts to cool, is energy lost?:
A. Yes. All the energy was used in the conversion of energy.
B. No. Energy cannot be created or destroyed.
C. Yes. The Pop-Tart is no longer hot.
D. No. Energy can be created, but it cannot be destroyed - CORRECT ANSWER B. No. Energy cannot be created or destroyed.
At a constant velocity, a 5kg bag of cement is pulled straight up a 7m wall. How much work is done by the puller? (Gravitational pull is 9.8m/s2, W(J)=F(N)*D(m)
A. 343 m/s2
B. 343 N
C. 340 J
D. 343 J - CORRECT ANSWER D. 343
What are the three phases or states of matter?:
A. Liquid, Gas, Ice
B. Liquid, Solid, Gas
C. Gas, liquid, Slippery
D. Liquid, Gas, hard - CORRECT ANSWER B. Liquid, Solid, Gas
Iron+ Oxygen->Iron Oxide (Rust)
2Fe+30₂ -> Fe₂O₃
Iron Oxide, formed from Iron and Oxygen, is a new:
A. Element
B. Atom
C. Compound
D. Solution - CORRECT ANSWER C. Compound
A fish swims through the water by using its fins to push water backwards. Pushing water backwards propels the fish forward through the water. This most nearly fits which of Newton's Laws?:
A. Newton's First Law: Force=mass(acceleration)
B. Newton's Second Law: objects in motion will stay in motion unless acted upon by a force, objects at rest will stay at rest unless acted upon by a force
C. Newton's Third Law: For every action, there is an equal and opposite reaction. - CORRECT ANSWER C. Newton's Third Law: For every action, there is an equal and opposite reaction.
Researchers want to conduct a study using random sampling. What is random sampling?
A. Individuals are randomly selected from the population. Every individual has the same probability of being selected.
B. A control group is selected and every other individual is used for data.
C. The population is divided into subgroups. Each subgroup has several individuals that are selected.
D. The population is divided into age groups and individuals are chosen at random from within those age groups. - CORRECT ANSWER A. Individuals are randomly selected from the population. Every individual has the same probability of being selected.
Which of the following depictions best represents evolution and why?
Formation of a mountain over time
A husky dog descended from a wolf
A. The formation of a mountain over time. The mountain changed and formed. It evolved.
B. The husky dog. The dog is the product of modifications of inheritance over time. - CORRECT ANSWER B. The husky dog. The dog is the product of modifications of inheritance over time.
Your body turns food into sugar by an initial chemical reaction from chemicals in your:
Read the following passage:
It all starts with that first bite of pizza. Your teeth tear off that big piece of crust. Your saliva
glands start spewing out spit like fountains. Your molars grind your pizza crust, pepperoni, and
cheese into a big wet ball. Chemicals in your saliva start chemical reactions. Seemingly like
magic, starch in your pizza crust begins to turn to sugar! A couple of more chews and, then, your
tongue pushes the ball of chewed food to the back of your throat. A trap door opens, and there
it goes, down your gullet!
Your Digestive System. (2012). Discovery Kids. Retrieved October 9, 2013, from http://kids.discovery.com/tell-me/science/body-systems/your-digestive-system
Your body turns food into sugar by an initial chemical reaction from chemicals in your:
A. Gullet
B. Saliva
C. Molars
D. None of the above. - CORRECT ANSWER B. Saliva
Cindy wants to figure out if daisies grow faster in cold weather or in hot weather. She puts one daisy in the fridge and one outside in the sun.
What is the problem with Cindy's experiment?
A. There are too many uncontrolled variables.
B. There are no problems.
C. There is no independent variable.
D. There is no dependent variable. - CORRECT ANSWER A. There are too many uncontrolled variables.
Energy is changed from radiant energy to chemical energy by:
A. Consumers
B. Sun
C. Decomposers
D. Producers - CORRECT ANSWER D. Producers
Atoms, Molecules, Cells, Tissues, Organs, Organ Systems, Organism
The above list best describes:
A. The human body
B. The Organization of Life
C. Structures
D. Biology - CORRECT ANSWER B. The Organization of Life
The Water Cycle
Read the following excerpt from Wikipedia:
The water cycle involves the exchange of energy, which leads to temperature changes. For
instance, when water evaporates, it takes up energy from its surroundings and cools the
environment. When it condenses, it releases energy and warms the environment. These heat
exchanges influence climate. The evaporative phase of the cycle purifies water which then
replenishes the land with freshwater. The flow of liquid water and ice transports minerals across
the globe. It is also involved in reshaping the geological features of the Earth, through processes
including erosion and sedimentation. The water cycle is also essential for the maintenance of
most life and ecosystems on the planet.
The water cycle is responsible for:
A. Erosion
B. Evaporation
C. Transporting minerals
D. Maintenance of life and ecosystems
E. All of the above - CORRECT ANSWER E. All of the above
Seasons on Earth are caused by:
A. Proximity to the equator
B. Zeus
C. Gravitational pull of the moon
D. The position of Earth as it orbits the sun - CORRECT ANSWER D. The position of Earth as it orbits the sun
Which of the following best describes an eclipse?
Read the following description from Wikipedia:
An eclipse is an astronomical event that occurs when an astronomical object is temporarily
obscured, either by passing into the shadow of another body or by having another body pass
between it and the viewer.
Which of the following best describes an eclipse?
A. When the moon passes between the sun and the Earth
B. When a comet soars through the sky
C. When a plane leaves a shadow on the ground
D. When the sun passes between the Earth and the moon - CORRECT ANSWER A. When the moon passes between the sun and the Earth
Which of the following items are contained in our Solar System?
A. Jupiter
B. Moon
C. Earth
D. Asteroids
E. All of the above - CORRECT ANSWER E. All of the above
Earth has a natural satellite
A. True
B. False - CORRECT ANSWER A. True : The moon
There is risk of damaging the carbon cycle (Global Warming), by:
Read the following passage from KidsGeo.com regarding the Carbon Cycle:
"...This important balance [of carbon] has been altered significantly in the past century as
humans have begun using fossil fuels to produce energy. By burning the Earth's store of carbon,
mankind is able to create the energy needed to operate our communities. However, we must be
careful as we do so. By releasing more carbon into the atmosphere than is being locked up, we
risk causing damage to the delicate carbon cycle."
The Carbon Cycle. (2013). Geography for kids, The study of our Earth. Retrieved October 17, 2013, from http://www.kidsgeo.com/geography-for-kids/0146-ocean-tides.php
There is risk of damaging the carbon cycle (Global Warming), by:
A. Getting energy to operate our communities
B. Releasing more carbon into the atmosphere
C. Producing energy
D. Digging up fossil - CORRECT ANSWER B. Releasing more carbon into the atmosphere [Show Less]