South Carolina - 7th Grade Science - 7.P.2A.1 (Atomic Structure)
Overview
Standard 7.P.2: The student will demonstrate an understanding of the structure and properties of matter and that matter is conserved as it undergoes changes.
7.P.2A. Conceptual Understanding: All substances are composed of one or more elements. Elements are pure substances which contain only one kind of atom. The periodic table organizes these elements based on similar properties. Compounds are substances composed of two or more elements. Chemical formulas can be used to describe compounds.
Performance Indicator: Students who demonstrate this understanding can:
7.P.2A.1 Develop and use simple atomic models to illustrate the components of elements (including the relative position and charge of protons, neutrons, and electrons).
Big Question(s):
What is everything made of?
Atomic Structure - SC 7.P.2A.1- Student Copy
South Carolina 7th Grade Science
Standard 7.P.2: The student will demonstrate an understanding of the structure and properties of matter and that matter is conserved as it undergoes changes.
7.P.2A. Conceptual Understanding: All substances are composed of one or more elements. Elements are pure substances which contain only one kind of atom. The periodic table organizes these elements based on similar properties. Compounds are substances composed of two or more elements. Chemical formulas can be used to describe compounds.
Performance Indicator: Students who demonstrate this understanding can:
7.P.2A.1 Develop and use simple atomic models to illustrate the components of elements (including the relative position and charge of protons, neutrons, and electrons).
Big Question(s):
What is everything made of?
Engagement: (10-15 Minutes)
Use the Scale of The Universe interactive model to begin exploring the makeup of the universe. The following questions will help guide your exploration:
- Record some of your initial observations regarding the scale of the universe.
- What is the largest body of matter you found? What is the smallest?
- Locate the point that says, “Smallest thing visible to an electron microscope”
- List the four closest structures to that point.
- What are some similarities and differences between the four structures?
- Can you find the names of the particles that those four structures seem to be made of?
- Do you notice any patterns as it relates to the location of those particles within the structures?
Exploration: (10-15 Minutes)
Watch the 5 minute TEDed Video, “Just How Small is An Atom” to answer the following questions:
- What is the structure in the center of the atom called?
- The structure in the center of the atom contains which two types of particles?
- Moving particles outside of the nucleus are called what?
- What exists between the innermost structure of an atom and the particles outside of that structure?
- Where is almost all of the mass of the atom located?
Experience: (20 Minutes)
Use the Build and Atom Simulation to solidify what you know and discover what you don’t.
- Drag a proton into the nucleus of the atom.
- Is the met charge of the atom positive (+), negative (-), or neutral (o)?
- Keep the proton in the nucleus and add a neutron as well.
- Is the net charge of the atom positive (+), negative (-), or neutral (o)?
- Keep the proton and neutron in the nucleus. Now add an electron.
- Is the net charge of the atom positive (+), negative (-), or neutral (o)?
- What conclusion can you make about the charges of protons, neutrons, and electrons?
- Reset your atom, and drag a proton into the nucleus of the atom.
- What is the mass number of the atom?
- Keep the proton in the nucleus and add a neutron as well.
- What is the mass number of the atom?
- Keep the proton and neutron in the nucleus. Now add an electron.
- What is the mass number of the atom?
- What conclusions can you make about the mass of protons, neutrons and electrons?
- Reset your atom. Spend some time adding different combinations of protons, neutrons, and electrons to the atom. Start with small amounts of each, and then increase them in number. What trends do you notice regarding the mass of atoms, element types, and their placement on the Periodic Table?
Examples: (15 Minutes)
In your time remaining, review the following notes presentation. Once you are familiar with terms and concepts, take the exit assessment. ASK QUESTIONS at any point!
Author: William Judge
Contact: wijudge@gmail.com
Date: 1/19/22
NAME: ________________________________
Students will be able to: 7.P.2A.1 Develop and use simple atomic models to illustrate the components of elements (including the relative position and charge of protons, neutrons, and electrons).
Big Question(s):
What is everything made of?
Engagement: (10-15 Minutes)
Use the Scale of The Universe interactive model to begin exploring the makeup of the universe. The following questions will help guide your exploration:
- Record some of your initial observations regarding the scale of the universe.
________________________________________________________________________________________________________________________________________________________
________________________________________________________________________________________________________________________________________________________
- What is the largest body of matter you found? What is the smallest?
________________________________________________________________________________________________________________________________________________________
- Locate the point that says, “Smallest thing visible to an electron microscope”
- List the four closest structures to that point.
________________________________________________________________________________________________________________________________________________________
- What are some similarities and differences between the four structures?
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
- Try to find and list the names of the particles that the four structures seem are made of.
____________________________________________________________________________
- Do you notice any patterns as it relates to the location of those particles within the structures?
________________________________________________________________________________________________________________________________________________________
________________________________________________________________________________________________________________________________________________________
Exploration: (10-15 Minutes)
Watch the 5 minute TEDed Video, “Just How Small is An Atom” to answer the following questions:
- What is the structure in the center of the atom called?
____________________________________________________________________________
- The structure in the center of the atom contains which two types of particles?
____________________________________________________________________________
- Moving particles outside of the nucleus are called what?
____________________________________________________________________________
- What exists between the innermost structure of an atom and the particles outside of that structure?
____________________________________________________________________________
- Where is almost all of the mass of the atom located?
____________________________________________________________________________
Experience: (20 Minutes)
Use the Build and Atom Simulation to solidify what you know and discover what you don’t.
- Drag a proton into the nucleus of the atom.
- Is the met charge of the atom positive (+), negative (-), or neutral (o)?
____________________________________________________________________________
- Keep the proton in the nucleus and add a neutron as well.
- Is the net charge of the atom positive (+), negative (-), or neutral (o)?
____________________________________________________________________________
- Keep the proton and neutron in the nucleus. Now add an electron.
- Is the net charge of the atom positive (+), negative (-), or neutral (o)?
____________________________________________________________________________
- What conclusion can you make about the charges of protons, neutrons, and electrons?
____________________________________________________________________________
- Reset your atom, and drag a proton into the nucleus of the atom.
- What is the mass number of the atom?
____________________________________________________________________________
- Keep the proton in the nucleus and add a neutron as well.
- What is the mass number of the atom?
____________________________________________________________________________
- Keep the proton and neutron in the nucleus. Now add an electron.
- What is the mass number of the atom?
____________________________________________________________________________
- What conclusions can you make about the mass of protons, neutrons and electrons?
____________________________________________________________________________
___________________________________________________________________________
____________________________________________________________________________
- Reset your atom. Spend some time adding different combinations of protons, neutrons, and electrons to the atom. Start with small amounts of each, and then increase them in number. What trends do you notice regarding the mass of atoms, element types, and their placement on the Periodic Table?
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
Examples: (15 Minutes)
In your time remaining, review the powerpoint notes, work through the examples at the end, then take the exit poll before we finish our time together!
Author: William Judge
Contact: wijudge@gmail.com
Date: 1/19/22