Matching Physical Properties Quiz
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Which physical property is best described by the ability of a substance to be drawn into thin wires?

  • Ductility (correct)
  • Lustre
  • Viscosity
  • Malleability

    • What does the term 'melting point' specifically refer to?

  • The temperature at which a solid changes into a liquid (correct)
  • The temperature at which a liquid begins to boil
  • The measure of how easily a liquid flows
  • The temperature at which a substance can be hammered thin

    • If a substance is described as 'gritty', which physical property is most likely being discussed?

  • Clarity
  • Viscosity
  • Hardness
  • Texture (correct)

    • Which of the following describes the property of 'malleability'?

    <p>The ability to be hammered into thin sheets. (B)</p> Signup and view all the answers

    What does the physical property of 'viscosity' measure?

    <p>How easily a liquid flows (D)</p> Signup and view all the answers

    Which of the following is NOT an indication that a chemical change has occurred?

    <p>Change in state (B)</p> Signup and view all the answers

    A change in state, such as melting or freezing, is considered a chemical change.

    <p>False (B)</p> Signup and view all the answers

    What is the location of metalloids on the periodic table?

    <p>along the staircase</p> Signup and view all the answers

    A change that is not reversible by physical means is a ______ change.

    <p>chemical</p> Signup and view all the answers

    Match the following families on the periodic table with their location?

    <p>Non-Metal = Right side of the staircase Alkali Metal = Left side of the staircase Metal = Left side of the staircase</p> Signup and view all the answers

    Which of the following is an example of an abiotic factor?

    <p>Sunlight (C)</p> Signup and view all the answers

    A community includes multiple populations of different species living together.

    <p>True (A)</p> Signup and view all the answers

    What is the term for the variety of life within a given area?

    <p>biodiversity</p> Signup and view all the answers

    The process by which plants use sunlight to produce food is called ______.

    <p>photosynthesis</p> Signup and view all the answers

    Match the following terms with their definitions:

    <p>Habitat = The natural environment of an organism Niche = The role of an organism in its ecosystem Ecosystem = A community of organisms and their physical environment interacting Biome = A large geographic area with similar climate and organisms</p> Signup and view all the answers

    Which of the following best describes the term 'omnivore'?

    <p>An animal that eats both plants and animals (C)</p> Signup and view all the answers

    Deforestation refers to the process of planting new forests.

    <p>False (B)</p> Signup and view all the answers

    What is the term for a group of individuals of the same species living in the same area?

    <p>population</p> Signup and view all the answers

    Which of the following is the primary source of energy for nearly all ecosystems?

    <p>Sunlight (D)</p> Signup and view all the answers

    Photosynthesis and cellular respiration are completely independent processes and are not related to each other.

    <p>False (B)</p> Signup and view all the answers

    What is the term for the levels in a food chain or web that indicate the feeding position of organisms?

    <p>trophic levels</p> Signup and view all the answers

    The process by which organisms release energy by breaking down glucose in the presence of oxygen is called ______.

    <p>cellular respiration</p> Signup and view all the answers

    Match the following environmental issues with their descriptions:

    <p>Acid Rain = Precipitation that is made acidic by air pollution caused by the burning of fossil fuels. Habitat Loss = The destruction of natural habitats making it unable to support the species present. Invasive Species = The introduction of non-native species into an ecosystem, that outcompete the native species. Oil Spills = The release of liquid petroleum into the environment, especially marine ecosystems.</p> Signup and view all the answers

    Which of the following best describes static electricity?

    <p>The buildup of charge on an object (A)</p> Signup and view all the answers

    If a glass rod is rubbed with silk, the glass rod becomes negatively charged.

    <p>False (B)</p> Signup and view all the answers

    What is the purpose of a switch in an electric circuit?

    <p>to control the flow of electrons</p> Signup and view all the answers

    In a series circuit, if one bulb burns out, the other bulbs will ______.

    <p>go out</p> Signup and view all the answers

    Match the following types of charges with their descriptions:

    <p>Neutral = Equal number of protons and electrons Positive = Fewer electrons than protons Negative = More electrons than protons</p> Signup and view all the answers

    Which of these will attract a neutral object?

    <p>Both a positive and negative object (A)</p> Signup and view all the answers

    Voltage is the same across each path in a series circuit.

    <p>False (B)</p> Signup and view all the answers

    What is the unit used to measure current?

    <p>ampere</p> Signup and view all the answers

    A 100W light bulb uses 2000 J of energy and produces 200 J of light energy. What is the energy efficiency of the light bulb?

    <p>10% (B)</p> Signup and view all the answers

    As the resistance increases in a circuit with a constant voltage, the current also increases.

    <p>False (B)</p> Signup and view all the answers

    Why are homes wired in parallel and not in series?

    <p>In a parallel circuit, each appliance receives the full voltage of the source and can operate independently. If one appliance fails, others continue to work. In series, a break will stop all appliances in the series from working.</p> Signup and view all the answers

    When you turn a light bulb on, you are ____ the circuit.

    <p>closing</p> Signup and view all the answers

    Match the circuit characteristics to the type of circuit.

    <p>Only 1 path for electricity to follow = Series Circuit More than 1 path for electricity to follow = Parallel Circuit Adding a bulb makes the others less bright = Series Circuit Appliances each receive the full voltage = Parallel Circuit</p> Signup and view all the answers

    A series circuit has a 2A current and a 0.5 ohm resistance. What is the voltage?

    <p>1 V (A)</p> Signup and view all the answers

    Why aren't electrical devices 100% efficient?

    <p>Electrical devices are not 100% efficient due to energy losses in the form of heat and other forms of energy.</p> Signup and view all the answers

    An electrical element has a current of 12A and a voltage of 240V. What is the resistance?

    <p>20 ohms (D)</p> Signup and view all the answers

    Which of the following best describes the difference between a meteoroid, a meteor, and a meteorite?

    <p>A meteoroid is in space, a meteor is in Earth's atmosphere, and a meteorite is on Earth's surface. (B)</p> Signup and view all the answers

    All planets revolve around the Sun in a clockwise direction.

    <p>False (B)</p> Signup and view all the answers

    What process occurs in the core of the Sun?

    <p>nuclear fusion</p> Signup and view all the answers

    The hottest stars are typically _________ in color, and the coolest stars are __________ in color.

    <p>blue, red</p> Signup and view all the answers

    Which of the following lists the terrestrial planets?

    <p>Mercury, Venus, Earth, Mars (D)</p> Signup and view all the answers

    A solar eclipse occurs when the Earth passes between the Sun and the Moon.

    <p>False (B)</p> Signup and view all the answers

    What is the difference between a meteoroid, a meteor, and a meteorite?

    <p>A meteoroid is a small space rock, a meteor is the light seen when it enters the atmosphere, and a meteorite is what remains when it hits the earth.</p> Signup and view all the answers

    The process that creates energy in the sun is called ______.

    <p>nuclear fusion</p> Signup and view all the answers

    Which of the following is NOT a possible indicator of a chemical change?

    <p>Change in state (e.g., solid to liquid) (B)</p> Signup and view all the answers

    Elements and compounds are both considered types of mixtures.

    <p>False (B)</p> Signup and view all the answers

    What is the family of elements known for their high reactivity with water?

    <p>alkali metals</p> Signup and view all the answers

    The ability of a substance to be hammered or rolled into thin sheets is known as _____.

    <p>malleability</p> Signup and view all the answers

    Match the following categories of elements with their general properties:

    <p>Metals = Typically shiny, conductive, malleable, and ductile Non-metals = Typically dull, brittle, and poor conductors of electricity Metalloids = Have properties of both metals and non-metals</p> Signup and view all the answers

    Based on Table 1, which element has 19 protons?

    <p>Potassium (A)</p> Signup and view all the answers

    According to Table 3, Acetylsalicylic acid has the chemical formula C9H8O4.

    <p>True (A)</p> Signup and view all the answers

    According to Table 5, what is the density if an object has a mass of 210g and a volume of 27cm³?

    <p>2.78 g/cm³</p> Signup and view all the answers

    The process during which plants convert light energy into chemical energy is called ______.

    <p>photosynthesis</p> Signup and view all the answers

    Match the following ecological terms with their descriptions.

    <p>biotic factors = Living organisms in an ecosystem abiotic factors = Non-living components of an ecosystem decomposer = Organisms that break down organic matter producer = Organisms that produce their own food</p> Signup and view all the answers

    Study Notes

    Matching Physical Properties to Statements

    • Texture: Diamonds are at the top of the scale.
    • Ductility: Can be hammered thin.
    • Lustre: Shiny or dull.
    • Odour: It is strong or distinct.
    • State: Solid or liquid.
    • Hardness: Not explicitly matched here.
    • Melting point: Temperature when solid turns into liquid.
    • Clarity: It is smooth or gritty.
    • Malleability: Can be hammered thin.
    • Viscosity: How easy a liquid flows.
    • Boiling Point: Temperature when liquid becomes gas.
    • Solubility: Can it dissolve.

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    Description

    Test your knowledge on matching various physical properties to their corresponding statements. This quiz covers texture, ductility, lustre, and more, helping you understand these essential scientific concepts.

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