Science Periodical Test Grade 3
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Questions and Answers

Which of the following are the characteristics of solids? (Select all that apply)

  • They have no taste and smell.
  • They have color, shape, size and texture. (correct)
  • They have no shape.

    • What common characteristics do ripe mango and banana have?

  • Both are yellow. (correct)
  • Both are green.
  • Both are red.

    • What characteristics of solid is shown in the following pictures?

  • Size
  • Color
  • Shape (correct)

    • What do you think will happen to the water in the pail when Tammy accidentally kicked it?

    <p>The water will flow out of the pail.</p> Signup and view all the answers

    Which do you think will flow faster, shampoo or water?

    <p>Water will flow faster than shampoo.</p> Signup and view all the answers

    How will you be able to smell the scent of the perfume?

    <p>Air will carry the scent so we will be able to smell it.</p> Signup and view all the answers

    What refers to the hotness and coldness of objects?

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

    Which of the following melts when heated?

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

    Which of the following materials cannot be changed into liquid?

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

    Which of the following is an example of changes in materials from solid to liquid?

    <p>Chocolate melted under the heat of the sun.</p> Signup and view all the answers

    What change in materials happened when an ice cube melted?

    <p>Solid to liquid</p> Signup and view all the answers

    Which of the following factors can turn solid to liquid?

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

    Which does not show changes from solid to liquid?

    <p>Sister puts water in the freezer.</p> Signup and view all the answers

    What refers to the phase change of a substance from liquid to solid?

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

    How do liquids change into solids?

    <p>By freezing</p> Signup and view all the answers

    What will happen if you put oil inside the refrigerator?

    <p>The oil will solidify when placed inside the refrigerator.</p> Signup and view all the answers

    What do you think will happen if you place melted chocolate in an air-conditioned room?

    <p>It will harden and turn into solid after a few hours.</p> Signup and view all the answers

    Which of the following can turn into liquid from solid?

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

    Analogy: Butter in a hot pan melted : Solid to Liquid. ____________ : Liquid to Solid.

    <p>Water in the freezer freezes = Liquid to Solid Juice in the fridge freezes = Liquid to Solid Ice cream in the freezer hardens = Liquid to Solid</p> Signup and view all the answers

    Study Notes

    Characteristics of Solids

    • Solids have distinct characteristics: color, shape, size, and texture.
    • Unlike liquids and gases, solids maintain a definite shape.

    Common Characteristics of Fruits

    • Ripe mangoes and bananas commonly exhibit a yellow color when ripe.

    Behavior of Water in Solid Containers

    • When a pail containing water is kicked, the water will flow out if the pail tips.

    Fluid Flow Rates

    • Water generally flows faster than thicker fluids like shampoo.

    Scent Distribution in Air

    • Air carries the scent of sprayed perfume, allowing it to be smelled throughout the room.

    Temperature Definition

    • Temperature refers to the measurement of the hotness or coldness of objects.

    Melting Point of Substances

    • Certain materials, such as butter, melt when heated.

    State Change Limitations

    • Not all materials can transform from solid to liquid; for example, a table cannot become liquid.

    Solid to Liquid Changes

    • Melting is illustrated by chocolate melting under sunlight.

    Ice Melting Process

    • An ice cube transitioning to a liquid state after being removed from the freezer demonstrates solid to liquid change.

    Factors Affecting Melting

    • Sunlight can cause solid substances to melt.

    Static States of Matter

    • Putting butter on a hot pan and lighting a candle shows a change from solid to liquid, while placing water in the freezer shows a solid state.

    Phase Changes from Liquid to Solid

    • Freezing is the process where liquids turn into solids.

    Solidification Conditions

    • Placing oil in a refrigerator can cause it to solidify.

    Cooling Effects on Melted Substances

    • A melted chocolate will harden into a solid if cooled in an air-conditioned environment.

    Transition of Solids to Liquids

    • Margarine is an example of a substance that can change from solid to liquid.

    Analogies in Phase Changes

    • The analogy of melting butter in a hot pan (solid to liquid) contrasts with the process of solidification as materials cool.

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    Description

    This quiz is designed for third-grade students in the San Fernando Elementary School to assess their understanding of various science concepts. It covers key topics discussed in the first period of instruction. Students will be evaluated on their knowledge and application of the scientific principles learned.

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