Earth and Space Science
Life Science
Physical Science
OAA Questions
Vocabulary
100
If a hard-boiled egg were used as a model to represent the layers of the Earth, what would the egg white represent? A. Crust B. Lithosphere C. Mantle D. Atmosphere
What is C. Mantle
100

process by which plants use the sun's energy to convert water and carbon dioxide into sugars

Photosynthesis

100
In which of the following situations are the forces acting on an object balanced? A. A car turns a corner at a constant speed. B. A sled picks up speed as it slides down a hill. C. A minivan slows down as it approaches a stoplight D. A hot-air balloon rises straight up at a constant speed.
What is D. A hot air-balloon rises straight up at a constant speed.
100
Termites eat wood but cannot digest it. Protozones live in the termites' stomachs and use enzymes to break down the wood. The digested wood provides nutrition for both termites and protozones. What type of relationship is this? A. Mutualism B. Parasitism C. Predation D. Commensalism
What is A. Mutualism
100
What is Erosion?
Movement of rock fragments
200
Which of the following accurately describes erosion and weathering? A. Erosion breaks rocks apart into smaller pieces; weathering moves the rock fragments from one place to another B. Erosion and weathering are processes in which rocks are broken into smaller pieces C. Weathering breaks rocks apart into smaller pieces; erosion moves the rock fragments from one place to another D. Erosion is a physical process; weathering is a chemical process
What is C. Weathering breaks rocks apart into smaller pieces; erosion moves the rock fragments from one place to another
200
What is a Paleontologist
What is a scientist who studies prehistoric life
200
In a wave, which of the following is transferred from one place to another? A. Matter B. Atoms C. Energy D. Particles
What is C. Energy
200
A student observing the sky notices that the cirrostratus clouds she saw in the morning have been replaced by cumulonimbus clouds in the afternoon. What weather conditions can she expect for the afternoon and evening? A. Low clouds and fog with little temperature change B. Fair skies continuing eith scattered puffy clouds C. Light rain, then an increase in temperature and clearing skies D. Heavy wind and rain followed by a drop in temperature and clearing skies
What is D. Heavy wind and rain followed by a drop in temperature and clearning skies
200
What is a Comet made up of?
Small chunks of dust and rock held together by ice.
300
Which of the following has the greatest influence on tides of the Earth's oceans? A. The amount of rainfall on a given day B. The alignment of the planets C. The position of the moon relative to the Earth D. The amount os sunlight striking the Earth
What is C. The position of the moon relative to the Earth
300
Name 3 parts of a plant
ANY 3: roots, stems, leaves, flowers
300
All of the following are characteristics of waves except A. Amplitude B. Wavelength C. Speed D. Mass
What is D. Mass
300
What is the relationship between tissues and organs? A. Organs are amde from one type of tissue B. Tissues are made from one type of organ C. Tissues are made from different types of organs D. Organs are made from different types of tissue
What is D. Organs are made from different types of tissue
300

Materials that prevent electric or heat from flowing through them.

What are insulators?

400
What is the most specific name for an unmanned machine in orbit around an object in space? A. Probe B. Satellite C. Spacecraft D. Telescope
What is A. Probe
400

a change in form or shape, often from one stage of development to another, as a caterpillar turning into a butterfly

Metamorphosis

400
Which of the following is a property of sound waves but NOT light waves? A. Sound waves require a medium to be able to move. B.Sound waves have a wavelength, frequency, and amplitude C. The speed of a sound wave varies depending upon the medium. D. Frequency determines how we perceive sound waves
What is C. The speed of sound varies depending upon the medium.
400
What causes the streak of light observed when a meteoroid enters Earth's atmosphere? A. Sunlight reflected from the meteoroid surface B. Energy released from radioactive materials in the meteoroid C. Lighting produced between the meteoroid and the upper atmosphere D. Visible light produced from the interaction between the meteoroid and the upper atmosphere
What is D. Visible light produced from the interaction between the meteoroid and the upper atmosphere
400

What is the resemblance of an animal species to another species or to natural objects

Mimicry

500
An object hurtles through space. It is mostly dust and rocks held together by different types of ice. What is this object? A. Asteroid B. Comet C. The Earth D. Meteoroid
What is B. Comet
500

when living things compete for food, water, and space

Competition

500
A wave on a pond has a frequency of 15Hz and a wavelength of 0.1 m. What is the speed of the wave? (Hint: Speed = wavelength x ?) A. 0.6 m/s B. 1.5 m/s C. 6.6 m/s D. 150 m/s
What is B. 1.5 m/s
500
The Appalachian mountain range is made of folded rock layers. The presence of this folded range is evidence of which process of mountain formation? A. Separation of two fault blocks B. Collision of two plates with each other C. Eruption of volcanoes near each other D. Deposition of sand and rocks from rivers
What is B. Collision of two plates with each other
500
The asteroid belt is situated between what 2 planets?
What is Mars and Jupiter
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