Here is the completed worksheet with explanations for each part.
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Part 1: Label Each Part of the Atom
Based on the standard Bohr model of an atom shown in the image:
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1. Electron
*Explanation:* The small red dots orbiting the central nucleus are electrons. They carry a negative charge and move around the nucleus in specific energy levels or shells.
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2. Neutron
*Explanation:* Inside the nucleus (the central cluster), the blue sphere labeled “±” represents a neutron. Neutrons have no electrical charge (neutral) and contribute to the atom’s mass.
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3. Electron Shell / Orbit
*Explanation:* The curved lines (ellipses) that the electrons follow around the nucleus are called electron shells or orbits. These represent the paths or energy levels where electrons are likely to be found.
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4. Proton
*Explanation:* The yellow spheres inside the nucleus labeled with a “+” sign are protons. Protons carry a positive charge and, along with neutrons, make up the nucleus.
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✔ Correct Labels:
> 1. Electron
> 2. Neutron
> 3. Electron Shell (or Orbit)
> 4. Proton
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Part 2: Fill in the Blanks Paragraph
Here is the completed paragraph with correct scientific terms filled in:
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Matter is anything that has weight and takes up space. All matter is made from
atoms. Atoms are the
basic building blocks for all matter in the universe. Atoms have
protons,
neutrons, and a
nucleus. When they attract each other, atoms form
molecules. Elements are
pure substances. When two or more elements combine, they form
compounds. For example,
water (H₂O) is two Hydrogen atoms and one Oxygen atom. The chemical symbol is
a shorthand notation for an element. Scientists have created a chart, the
Periodic Table of Elements, with the name and chemical symbols of the elements. Some describe the chart as a recipe book where chemists can look up the elements and combine them to form chemical compounds or mixtures.
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✔ Final Answer Summary:
#### Labeling the Atom:
1.
Electron
2.
Neutron
3.
Electron Shell (or Orbit)
4.
Proton
#### Fill-in-the-Blank Paragraph:
>
Matter is anything that has weight and takes up space. All matter is made from
atoms. Atoms are the
basic building blocks for all matter in the universe. Atoms have
protons,
neutrons, and a
nucleus. When they attract each other, atoms form
molecules. Elements are
pure substances. When two or more elements combine, they form
compounds. For example,
water (H₂O) is two Hydrogen atoms and one Oxygen atom. The chemical symbol is
a shorthand notation for an element. Scientists have created a chart, the
Periodic Table of Elements, with the name and chemical symbols of the elements. Some describe the chart as a recipe book where chemists can look up the elements and combine them to form chemical compounds or mixtures.
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Parent Tip: Review the logic above to help your child master the concept of atom diagrams and worksheet.
