Coach Foot's Science Standards 8th grade Questions
1. s8p1a. Distinguish between atoms and molecules: talk about protons, neutrons, electrons, nucleus, compounds
2. s8p1b. Describe the difference pure substances and mixtures: talk about elements and compounds and bonds
3.s8p1c. Describe the difference of movement of particles in solids, liquids, gases, and plasmas.
4. s8p1d. Distinguish between physical and chemical properties. EXAMPLES: density, melting point, boiling point, color, size (volume), weight, reactivity and combustion
5. s8p1e. Distinguish between physical and chemical changes. EXAMPLES: ice melting, water evaporating, chopping wood, painting a watermelon, ripping paper, baking a cake, RUST, burning wood, hydrogen and oxygen joining to form water
6. s8p1f. Recognize that there are more than 100 elements and some have similar properties shown on the periodic table of elements: talk about periods, groups, atomic number, metals, nonmetals, halogens, and noble gases
7. s8p1g. Identify and demonstrate the LAW OF CONSERVATION OF MATTER.
8. s8p2a. Explain energy transformation in terms of the LAW OF CONSERVATION OF ENERGY
9. s8p2b. Explain the relationship between potential and kinetic energy.
10. s8p2c. Compare and contrast the different forms of energy (heat, light, electricity, mechanical, sound)
11. s8p2d. Describe how heat is transferred through conduction, radiation, and convection.
12. s8p3a. Determine the relationship between velocity and acceleration.
13. s8p3b. Demonstrate the effect of balanced and unbalanced forces in terms of gravity, inertia, and friction.
14. s8p3c. Demonstrate the effect of simple machines (lever, inclined plane, pulley, wedge, screw, wheel/axle) on work. Give an example of each.
15. s8p4a. Identify the characteristics of electromagnetic waves and mechanical waves. Talk about parts of a wave, mediums, and different types of waves.
16. s8p4b. Describe how the behavior of light waves is manipulated causing reflection, refraction, diffraction, and absorption.
17. s8p4c. Explain how the human eye sees objects and colors in terms of wavelengths.
18. s8p4d. Describe how the behavior of waves is affected by medium (solid, liquid, gas)
19. s8p4e. Relate the properties of sound to everyday experiences. Talk about pitch, frequency, compression, and rarefaction
20. s8p4f. Diagram the parts of a wave and explain how the parts are affected by changes in amplitude and pitch (frequency).
21. s8p5a. Recognize that every object exerts gravity force on every other object and that the force exerted depends on how much mass the objects have and how far apart they are?????
22. s8p5b. Demonstrate the advantages and disadvantages of series and parallel circuits and how they transfer energy. Draw each too.
23. s8p5c. Investigate and explain that electric currents and magnets can exert force on one another.