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Praxis Elementary Education: Multiple Subjects - Science (5005) 2025, Exams of Nursing

A collection of multiple-choice questions and answers related to various scientific concepts relevant to elementary education. It covers topics such as astronomy, biology, chemistry, physics, and earth science. The questions are designed to assess understanding of fundamental scientific principles and their applications in real-world scenarios.

Typology: Exams

2024/2025

Available from 11/12/2024

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Praxis Elementary Education: Multiple
Subjects - Science (5005) 2025
absolute magnitude - the amount of light emitted by a star
Commensalism - A relationship between two organisms in which one organism
benefits and the other is unaffected
outercore - the layer above the inner core, but below the mantle.
Voltage - an electromotive force or potential difference expressed in volts.
Voltage - potential energy of the charges in a circuit
Charges at one terminal of a disconnected battery - have the "potential" to make
current flow as soon as the battery is connected.
Analogy for voltage in a circuit - the height difference between the top and
bottom of a hill.
Carbon - may become part of sedimentary rock and enter the rock cycle.
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Subjects - Science (5005) 2025

absolute magnitude - the amount of light emitted by a star Commensalism - A relationship between two organisms in which one organism benefits and the other is unaffected outercore - the layer above the inner core, but below the mantle. Voltage - an electromotive force or potential difference expressed in volts. Voltage - potential energy of the charges in a circuit Charges at one terminal of a disconnected battery - have the "potential" to make current flow as soon as the battery is connected. Analogy for voltage in a circuit - the height difference between the top and bottom of a hill. Carbon - may become part of sedimentary rock and enter the rock cycle.

Subjects - Science (5005) 2025

Distance - Samuel rides his bike around the park and over to the pond, and then back to where he started. Which is greater: the distance he traveled or his displacement? Displacement - Distance and direction of an object's change in position from the starting point. ff - In humans, the allele for freckles (F) is dominant and the allele for no freckles (f) is recessive. What is a genotype of people without freckles? elements in columns I and VII - Elements in which columns of the periodic table tend to form ionic bonds with each other? True - Elements in column I have one valence electron, which is easily donated to elements in column VII, with seven valence electrons. Elements in columns I and VII generally form ionic bonds. I - Elements in column __ have one valence electron, which is easily donated to elements in column VII, with seven valence electrons. Elements in columns I and VII generally form ionic bonds.

Subjects - Science (5005) 2025

Water, temperature, and light - What can affect the growth of an organism? True - The pigments in the red dress reflect red light and absorb most other colors. True - We see the color of the light that is reflected from a colored object. True - Pigments in the red dress reflect red and so we see red. Most of the other colors are absorbed by the pigments, so we do not see those colors. new species - Evolution can result in It allows for easier and more consistent communication of results. - Why is it important for scientists around the world to adhere to the same system of measurement? keystone species - Sea otters eat sea urchins. This keeps the number of sea urchins in check and protects kelp forests, which are vital to their ecosystem. Which of the following best describes the most important role of the sea otter?

Subjects - Science (5005) 2025

keystone species - have a large influence on the ecosystems. Comets are composed of: - gas, dust, and ice When heat is added to a liquid at its boiling point temperature - the heat energy breaks the bonds holding the atoms together as a liquid rather than raising the temperature of the liquid. The temperature remains at the boiling point temperature until all of the liquid has evaporated. complete metamorphosis - four-stages of life (egg, larva, pupa, and adult) A liquid is heated to its boiling point temperature. If further heat is added to the liquid it will: - stay at its boiling point temperature until all of the liquid has evaporated. A conducting wire connects - directly across the battery. A short circuit can be dangerous - as the battery will try to supply an infinite amount of current and the system could get very hot.

Subjects - Science (5005) 2025

It continues to move right at constant speed. - A hockey puck is sliding to the right at constant speed. Suddenly forces of 10 N to the left and 10 N to the right are applied to the puck at the same time. What is the resulting motion of the hockey puck? An air mass that originates over a large body of water near the equator is most likely to be described as - warm and humid. warm and humid - An air mass that generates over a large body of water will most likely be warm - Water near the equator is What powers the ocean's surface currents? - wind currents, the uneven heating of Earth's surface, and the shape of landforms on Earth Newton's third law explains - why objects move in the opposite directions.

Subjects - Science (5005) 2025

Newton's third law of motion states - that for every action there is an equal and opposite reaction. What period of time can be measured by roughly one revolution of the moon around the Earth? - one month What describes a sound? - a large inlet of the ocean A sound - is a deep, wide inlet of the ocean. Carbon dioxide - is a reactant of the photosynthesis reaction Photosynthesis uses - carbon dioxide, water, and light energy to produce oxygen and glucose. Where is the majority of nitrogen on Earth? - the atmosphere A year is measured by - how long it takes a planet to revolve around the sun.

Subjects - Science (5005) 2025

As humans increase their use of freshwater to water crops, there is less available for other uses. - True When determining the accurate measurement of a liquid, which piece of laboratory equipment would be best to find the liquid's volume to the nearest milliliter? - graduated cylinder A graduated cylinder has graduated - milliliter measurement lines to measure volume. Red flowers are dominant over white flowers in roses. A heterozygous red flowering rose is mated with a purebred, white colored rose. What percentage of their offspring will have the genotype rr? - The red flowering rose (Rr) will provide R or r. The white rose (rr) will always provide r. So the genotypes would be Rr half the time and rr the other half. Therefore, 50% of their offspring will have the genotype rr. Three seismometers are spread around the Earth. After an earthquake, what might scientists use these to locate? - the epicenter

Subjects - Science (5005) 2025

Scientists use three seismometers to triangulate - the epicenter of an Earthquake. Of the following, which is a statement of Newton's second law of motion? - An object's acceleration depends on its mass and the net force acting on the object. Newton's second law can be expressed by - ΣFnet=ma where ΣFnet is the net force on the object, m is the object's mass, and a is the object's acceleration. All cells have a cell wall. - False Animal cells - do not have a cell wall. Which of the following impacts from bodies of water would be considered a constructive process? - sediment deposition at the mouth of a river Sediment deposition - contributes to a new landform; this is a constructive process.

Subjects - Science (5005) 2025

limestone is a type of - sedimentary rock marble is a - metamorphic rock The rock cycle - is the process by which rocks are transformed from one rock type into another rock type. Metamorphic rocks are igneous or sedimentary rocks that have undergone changes such as intense heat or pressure or chemical reactions. - True Sedimentary rocks are formed when sediments or broken rock pieces are cemented together. - True Rocks can also be subjected to chemicals which change the rock's composition. What type of rock has undergone one of these changes? - metamorphic With which of the following substances could radiometric carbon dating be used?

  • a leather sandal thought to be from 45,000 BCE

Subjects - Science (5005) 2025

Radiometric carbon dating (or radiocarbon dating) can be used on organic compounds which contain carbon-14 isotopes and are younger than about 60, years. - True Which of the following is one way carbon is returned to the atmosphere? - cellular respiration Cellular respiration returns carbon to the atmosphere. - True The Earth's outer layer is divided into sections called plates. These plates essentially float around on the mantle of the Earth. If two continent boundaries collide with one another, Earth's crust is pushed together. Which of the following best describes the result of the collision? - mountains The movement of plates can be constructive or destructive. - True Which of the following lists Earth's eons in the correct order from most ancient to most recent? - Hadean, Archean, Proterozoic, Phanerozoic Of the following, which is a sedimentary rock? - shale

Subjects - Science (5005) 2025

The atmosphere surrounding Earth is composed of approximately 78% nitrogen. How do multicellular organisms obtain this atmospheric nitrogen? - Nitrogen- fixing bacteria release it into the soil. For nitrogen to be converted to a usable form - it must be converted by nitrogen- fixing bacteria. Nitrogen is not taken out of the atmosphere through condensation and precipitation, but rather by bacteria. - True Which of the following is not used by scientists to determine the history of life on Earth? - hydrolysis of water Scientists use similarities in DNA to determine common ancestors. - True Scientists believe that Earth formed through the collision and gradual accumulation of smaller particles into larger bodies. What is this process called? - accretion On average, the majority of soil is made up of: - rocks and minerals

Subjects - Science (5005) 2025

Carbon dating is often used to determine the age of fossils, since they contain carbon. - True Which of the following would be the most appropriate occasion for a scientist to use carbon dating? - to determine the age of a newly-discovered fossil Which of the following is true about the carbon cycle? - Carbon may become part of sedimentary rock and enter the rock cycle. Photosynthesis removes carbon from the atmosphere. - True What device is used to measure the magnitude of an Earthquake? - seismometer A seismometer - measures the amplitude of seismic waves and determines the magnitude of an Earthquake. The Richter scale - scale used to express magnitude, but it itself does not measure magnitude.