1. Label the parts of the atom and their charges.
- Nucleus (center): Contains protons (+) and neutrons (no charge).
- Electrons (-): Orbit the nucleus.
2. Label and explain what is happening with the above two atoms.
- One atom is losing an electron, becoming a positive ion.
- The other atom is gaining that electron, becoming a negative ion.
- This transfer of electrons creates an ionic bond between the two atoms.
3. This diagram shows static electricity or charge separation in a conductor.
- Label: Top of conductor has negative charges (-), bottom has positive charges (+).
- Explanation: When a negatively charged object is brought near the conductor, it repels electrons to the far side, leaving the near side positively charged. This is called electrostatic induction.
4. All matter is made of atoms.
5. Small particles in an atom have an electric charge.
6. Electrons have a negative charge.
7. Protons have a positive charge.
8. Inner orbiting electrons are called core electrons.
9. Outer orbiting electrons are called valence electrons.
10. We use wires to produce an orderly flow of electrons (electric current).
Parent Tip: Review the logic above to help your child master the concept of 8th grade science worksheet for teachers.
