Science Ips/Ibs Final Exam Review

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Quizzes Created: 2 | Total Attempts: 2,067
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Science Quizzes & Trivia

Questions and Answers
  • 1. 

    What are the base units for the following measurements?a) mass b) volume (liquid) c) length

    • A.

      A) grams b) liters c) meters

    • B.

      A) ounces b) fluid ounces c) rulers

    • C.

      A) kilograms b) liters c) centimeters

    • D.

      A) lbs b) gallons c) inches

    Correct Answer
    A. A) grams b) liters c) meters
    Explanation
    The base unit for mass is grams, as it is the standard unit used to measure the amount of matter in an object. The base unit for volume (liquid) is liters, which is used to measure the amount of space occupied by a liquid. The base unit for length is meters, which is used to measure the distance between two points.

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  • 2. 

    What are the steps of the scientific method?

    • A.

      There is no such thing as a scientific method.

    • B.

      Conclude, analyze, gather data ,problem, answer

    • C.

      Problem, hypothesis, experiment, gather data, analyze, conclude

    • D.

      Problem, experiment, clean-up, hypothesis, analyze, change your hypothesis

    Correct Answer
    C. Problem, hypothesis, experiment, gather data, analyze, conclude
    Explanation
    The correct answer is problem, hypothesis, experiment, gather data, analyze, conclude. This sequence of steps represents the scientific method, which is a systematic approach used by scientists to investigate and understand natural phenomena. It starts with identifying a problem or question, formulating a hypothesis, designing and conducting an experiment to test the hypothesis, collecting and analyzing data from the experiment, and finally drawing conclusions based on the results. This method allows for a logical and objective approach to studying and understanding the world around us.

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  • 3. 

    What changes as a result of the independent variable?

    • A.

      Dependent variable

    • B.

      Control group

    • C.

      Hypothesis

    • D.

      The problem

    Correct Answer
    A. Dependent variable
    Explanation
    The dependent variable is the variable that is expected to change as a result of manipulating the independent variable. It is the outcome or response that is measured or observed in an experiment. In other words, it is the variable that is being studied or tested to see how it is influenced by the independent variable. The dependent variable is dependent on the independent variable, as any changes in the independent variable can directly affect the dependent variable.

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  • 4. 

    What is current?

    • A.

      Opposition of a circuit to the flow of electric current

    • B.

      The flow of electricity through a conductor

    • C.

      The voltage

    • D.

      The same thing as a cation

    Correct Answer
    B. The flow of electricity through a conductor
    Explanation
    The correct answer is "the flow of electricity through a conductor". Current refers to the movement of electric charge, specifically the flow of electrons through a conductor. It is a measure of the rate at which charge is flowing and is typically measured in units of amperes (A).

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  • 5. 

    The force of attraction or repulsion is directly proportional to the product of the charges and inversely proportional to the distance between them. This states:

    • A.

      Coulomb's Law

    • B.

      Ohm's Law

    • C.

      The Law of Conservation of Energy

    • D.

      The third law of thermodynamics

    Correct Answer
    A. Coulomb's Law
    Explanation
    Coulomb's Law states that the force of attraction or repulsion between two charged objects is directly proportional to the product of their charges and inversely proportional to the distance between them. This means that the greater the charges of the objects and the closer they are to each other, the stronger the force of attraction or repulsion will be. This law is used to calculate the magnitude of the electrostatic force between charged particles and is essential in understanding the behavior of electric fields and electric currents.

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  • 6. 

    What is the equation used to represent Ohm's Law?

    • A.

      F=ma

    • B.

      E=mc2

    • C.

      V=I x R

    • D.

      2+2=4

    Correct Answer
    C. V=I x R
    Explanation
    Ohm's Law states that the voltage across a conductor is directly proportional to the current flowing through it, and inversely proportional to the resistance of the conductor. This relationship is represented by the equation V=I x R, where V is the voltage, I is the current, and R is the resistance.

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  • 7. 

    The definition of amplitude is:

    • A.

      The maximum displacement of a periodic wave

    • B.

      The number of occurances within a given period

    • C.

      The distance between two points in the same phase in consecutive cycles of a wave

    • D.

      Change in the observed frequency of a wave occuring when the scource whizzes past the observer

    Correct Answer
    A. The maximum displacement of a periodic wave
    Explanation
    The amplitude of a periodic wave refers to the maximum displacement of the wave from its equilibrium position. It represents the distance between the highest point and the lowest point of the wave. The greater the amplitude, the more energy the wave carries. Therefore, the correct answer is "the maximum displacement of a periodic wave."

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  • 8. 

    Light is a a)________ and sound is a b)_________.

    • A.

      A) longitudinal wave b) transverse wave

    • B.

      A) transverse wave b) longitudinal wave

    • C.

      A) solid b) liquid

    • D.

      A) proton b) electron

    Correct Answer
    B. A) transverse wave b) longitudinal wave
    Explanation
    Light is a transverse wave because it oscillates perpendicular to the direction of its propagation. Sound, on the other hand, is a longitudinal wave because it oscillates parallel to the direction of its propagation.

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  • 9. 

    Refraction is:

    • A.

      The turning or bending of any wave as it passes from one medium to another

    • B.

      A disturbance that moves through a medium

    • C.

      When two waves collide

    • D.

      The medium a wave travels through

    Correct Answer
    A. The turning or bending of any wave as it passes from one medium to another
    Explanation
    Refraction is the turning or bending of any wave as it passes from one medium to another. This phenomenon occurs because the speed of the wave changes when it transitions from one medium to another with a different refractive index. As a result, the wave changes direction, causing it to bend. This can be observed, for example, when light passes from air to water, causing the light to change direction and appear to be bent. Refraction is a fundamental concept in physics and is responsible for various optical phenomena.

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  • 10. 

    Sound travels best through:

    • A.

      Solids

    • B.

      Liquids

    • C.

      Vacuums

    • D.

      Gases

    Correct Answer
    A. Solids
    Explanation
    Sound travels best through solids because the particles in solids are tightly packed and closely connected, allowing sound waves to easily pass through. In solids, the molecules can vibrate more efficiently, transmitting the sound energy from one particle to another. Liquids and gases have more space between their particles, which results in less efficient transmission of sound waves. Vacuums, on the other hand, have no particles to transmit sound waves, so sound cannot travel through them.

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  • 11. 

    Waves transfer:

    • A.

      Particles and energy

    • B.

      Nothing

    • C.

      Particles

    • D.

      Energy

    Correct Answer
    D. Energy
    Explanation
    Waves transfer energy. When a wave travels through a medium, it causes the particles in the medium to vibrate, transmitting energy from one point to another. This energy can be in the form of mechanical waves, such as sound waves or water waves, or electromagnetic waves, such as light or radio waves. The movement of particles in a wave is not permanent, as they oscillate back and forth around their equilibrium positions, but the energy is transferred continuously along the wave.

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  • 12. 

    What do you hear when sound is reflected?

    • A.

      The doppler effect

    • B.

      Beats

    • C.

      Echo

    • D.

      Cataracts of the eyes

    Correct Answer
    C. Echo
    Explanation
    When sound is reflected, it creates an echo. An echo is a repetition of sound caused by the reflection of sound waves off a surface. This phenomenon occurs when the original sound wave travels to a surface and bounces back towards the source, creating a delayed and softer version of the original sound. The echo can be heard as a distinct repetition of the sound, often with a slight delay depending on the distance between the source and the reflecting surface.

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  • 13. 

    Which is NOT a reason for why sunsets are red?

    • A.

      Blues and purples get scattered at sunset

    • B.

      Red has the longest wavelength

    • C.

      The sun is at an angle where it has to travel through the most atmsophere

    • D.

      Red is a form of ultraviolet radiation

    Correct Answer
    D. Red is a form of ultraviolet radiation
    Explanation
    The correct answer is red is a form of ultraviolet radiation. This answer is incorrect because red is not a form of ultraviolet radiation. Red light has a longer wavelength compared to ultraviolet radiation. Sunsets appear red because as the sun sets, its light has to pass through a larger portion of the Earth's atmosphere, causing the shorter wavelength colors like blue and purple to scatter, while the longer wavelength colors like red are able to reach our eyes.

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  • 14. 

    What is tempreture?

    • A.

      The average potential energy

    • B.

      The average kinetic energy

    • C.

      The total potential and kinetic energy

    • D.

      The same thing as thermal energy

    Correct Answer
    B. The average kinetic energy
    Explanation
    Temperature is a measure of the average kinetic energy of the particles in a substance. As the particles move, they possess kinetic energy, and temperature measures the average amount of this energy. Therefore, the answer "the average kinetic energy" accurately describes what temperature is.

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  • 15. 

    Burning paper is...

    • A.

      A chemical reaction

    • B.

      A physical property

    • C.

      A physical reaction

    • D.

      Nuclear fusion

    Correct Answer
    A. A chemical reaction
    Explanation
    Burning paper is a chemical reaction because it involves a change in the chemical composition of the paper. When paper burns, it undergoes combustion, which is a chemical process where the paper reacts with oxygen in the air to produce carbon dioxide, water vapor, and other combustion byproducts. This chemical reaction results in the release of heat and light. Therefore, burning paper cannot be classified as a physical property or a physical reaction, as it involves a chemical transformation.

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  • 16. 

    Water has a _____ specific heat capacity.

    • A.

      High

    • B.

      Low

    • C.

      Unknown

    • D.

      Nonexistant

    Correct Answer
    A. High
    Explanation
    Water has a high specific heat capacity because it takes a relatively large amount of energy to raise its temperature. This means that water can absorb a significant amount of heat without undergoing a large increase in temperature. Additionally, water has a high specific heat capacity due to its hydrogen bonding, which allows it to absorb and release heat energy efficiently. This property of water is important in regulating Earth's temperature, as it helps to stabilize the climate and maintain suitable conditions for life.

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  • 17. 

    Is absolute zero attainable?

    • A.

      No

    • B.

      Yes

    • C.

      Sometimes

    • D.

      Only in Canada

    Correct Answer
    A. No
    Explanation
    Absolute zero is the lowest possible temperature, at which all molecular motion ceases. According to the laws of thermodynamics, it is theoretically impossible to reach absolute zero as it would require removing all heat energy from a system. However, scientists have been able to achieve temperatures very close to absolute zero, but never actually reaching it. Therefore, the correct answer is "no".

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  • 18. 

    Why does a penny become hot when struck by a hammer?

    • A.

      Energy is transferred from the penny to the hammer

    • B.

      The hammer is a diffrent metal than the penny

    • C.

      Energy is transferred from the hammer to the penny

    • D.

      The penny is able to generate its own heat

    Correct Answer
    C. Energy is transferred from the hammer to the penny
    Explanation
    When a penny is struck by a hammer, the energy from the hammer is transferred to the penny. This transfer of energy causes the molecules in the penny to move faster, resulting in an increase in temperature. The kinetic energy from the hammer is converted into thermal energy in the penny, causing it to become hot.

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  • 19. 

    Heat is measured in:

    • A.

      Degrees Celsius

    • B.

      Joules or calories

    • C.

      Meters

    • D.

      Newtons

    Correct Answer
    B. Joules or calories
    Explanation
    Heat is a form of energy, and it can be measured in joules or calories. Joules are the standard unit of energy in the International System of Units (SI), while calories are a commonly used unit in the field of nutrition and food science. Both joules and calories are used to quantify the amount of heat energy transferred or released during a physical or chemical process. Therefore, either joules or calories can be used to measure heat accurately.

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  • 20. 

    Metals are located to the _____ of the periodic table.

    • A.

      Left

    • B.

      Right

    • C.

      There are no metals in the periodic table, trick question

    • D.

      Top half

    Correct Answer
    A. Left
    Explanation
    Metals are located to the left of the periodic table because they tend to have properties such as high electrical and thermal conductivity, malleability, and luster. These characteristics are due to the presence of loosely held electrons in their outermost energy level, which allows them to easily conduct heat and electricity. Therefore, metals are grouped together on the left side of the periodic table, while nonmetals and metalloids are found on the right.

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  • 21. 

    Noble gases have ______ valence electrons.

    • A.

      8

    • B.

      1

    • C.

      0

    • D.

      4

    Correct Answer
    A. 8
    Explanation
    Noble gases have 8 valence electrons. This is because noble gases have a full outer electron shell, which gives them stability and makes them less likely to react with other elements. The full outer shell consists of 8 electrons, except for helium which has only 2. This configuration makes noble gases chemically inert and less likely to form compounds.

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  • 22. 

    What type of bond uses prefixes whern being named?

    • A.

      Metallic

    • B.

      Ionic

    • C.

      Covalent

    • D.

      None

    Correct Answer
    C. Covalent
    Explanation
    Covalent bonds use prefixes when being named. In a covalent bond, atoms share electrons to form a bond. The prefixes indicate the number of atoms of each element present in the molecule. For example, in carbon dioxide (CO2), the prefix "di-" indicates that there are two oxygen atoms bonded to one carbon atom. This naming convention helps to accurately represent the composition of covalent compounds.

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  • 23. 

    How do we balance equations?

    • A.

      By adding coefficients

    • B.

      By adding subscripts

    • C.

      By adding superscripts

    • D.

      By adding another element to the reactants side

    Correct Answer
    A. By adding coefficients
    Explanation
    We balance equations by adding coefficients. This means adjusting the numbers in front of the chemical formulas to ensure that the same number of atoms of each element is present on both sides of the equation. By adding coefficients, we can ensure that the equation obeys the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction.

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  • 24. 

    Isomers:

    • A.

      Have the same chemical formula, but different arrangement of atoms

    • B.

      Have different chemical formulas, but the same arrangement of atoms

    • C.

      Have nothing in common

    • D.

      Are identical

    Correct Answer
    A. Have the same chemical formula, but different arrangement of atoms
    Explanation
    Isomers are compounds that have the same chemical formula, meaning they contain the same types and numbers of atoms. However, they differ in the arrangement of these atoms within the molecule. This difference in arrangement gives isomers distinct chemical properties and often results in different physical properties as well. Therefore, the correct answer is that isomers have the same chemical formula but different arrangements of atoms.

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  • 25. 

    When an acid and a base react, the products are...

    • A.

      Acids

    • B.

      Bases

    • C.

      Water and a salt

    • D.

      Usually very dangerous

    Correct Answer
    C. Water and a salt
    Explanation
    When an acid and a base react, they undergo a neutralization reaction. In this reaction, the hydrogen ions (H+) from the acid react with the hydroxide ions (OH-) from the base to form water (H2O). The remaining ions combine to form a salt. Therefore, the products of the reaction between an acid and a base are water and a salt. This reaction is commonly used in various applications, such as in the formation of soaps and in the treatment of acid indigestion.

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  • 26. 

    Butane has how many carbons?

    • A.

      4

    • B.

      8

    • C.

      1

    • D.

      7

    Correct Answer
    A. 4
    Explanation
    Butane is an organic compound with the molecular formula C4H10, which means it contains 4 carbon atoms. Therefore, the correct answer is 4.

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