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Physical Science Grade
Level Expectations (GLEs) |
Measurement and Symbolic
Representation
1. Measure
the physical properties of
different forms of matter in
metric system units (e.g.,
length, mass, volume,
temperature)
2. Gather and organize data in
charts, tables, and graphs
3. Distinguish among symbols for
atoms, ions, molecules, and
equations for chemical reactions
4. Name and write chemical
formulas using symbols and
subscripts
Atomic Structure
5.
Identify the three subatomic
particles of an atom by
location, charge, and relative
mass
6. Determine the number of
protons, neutrons, and electrons
of elements by using the atomic
number and atomic mass from the
periodic table
7. Describe the results of
loss/gain of electrons on
charges of atoms
8. Evaluate the uses and effects
of radioactivity in people's
daily lives
9. Compare nuclear fission to
nuclear fusion
10. Identify the number of
valence electrons of the first
20 elements based on their
positions in the periodic table
The Structure and
Properties of Matter
11.
Investigate and classify common
materials as elements,
compounds, or mixtures
(heterogeneous or homogeneous)
based on their physical and
chemical properties
12. Classify elements as metals
or nonmetals based on their
positions in the periodic table
13. Predict how factors such as
particle size and temperature
influence the rate of dissolving
14. Investigate and compare
methods for separating mixtures
by using the physical properties
of the components
15. Using selected elements from
atomic numbers 1 to 20, draw
Bohr models
16. Name and write the formulas
for simple ionic and covalent
compounds
17. Name and predict the bond
type formed between selected
elements based on their
locations in the periodic table
18. Diagram or construct models
of simple hydrocarbons (four or
fewer carbons) with single,
double, or triple bonds
19. Analyze and interpret a
graph that relates temperature
and heat energy absorbed during
phase changes of water
20. Predict the particle motion
as a substance changes phases
Chemical Reactions
21. Classify changes in matter
as physical or chemical
22. Identify evidence of
chemical changes
23. Classify unknowns as acidic,
basic, or neutral using
indicators
24. Identify balanced equations
as neutralization, combination,
and decomposition reactions
25. Determine the effect of
various factors on reaction rate
(e.g., temperature, surface
area, concentration, agitation)
26. Illustrate the laws of
conservation of matter and
energy through balancing simple
chemical reactions
27. Distinguish between
endothermic and exothermic
reactions
28. Identify chemical reactions
that commonly occur in the home
and nature
Forces and Motion
29. Differentiate between mass
and weight
30. Compare the characteristics
and strengths of forces in
nature (e.g., gravitational,
electrical, magnetic, nuclear)
31. Differentiate between speed
and velocity
32. Plot and compare line graphs
of acceleration and velocity
33. Calculate velocity and
acceleration using equations
34. Demonstrate Newton’s three
laws of motion (e.g., inertia,
net force using F = ma, equal
and opposite forces) )
35. Describe and demonstrate the
motion of common objects in
terms of the position of the
observer
Energy
36. Measure and calculate the
relationships among energy,
work, and power
37. Model and explain how
momentum is conserved during
collisions
38. Analyze diagrams to identify
changes in kinetic and potential
energy
39. Distinguish among thermal,
chemical, electromagnetic,
mechanical, and nuclear energy
40. Demonstrate energy
transformation and conservation
in everyday actions
Interactions of Energy
and Matter
41. Identify the parts and
investigate the properties of
transverse and compression waves
42. Describe the relationship
between wavelength and frequency
43. Investigate and construct
diagrams to illustrate the laws
of reflection and refraction
44. Illustrate the production of
static electricity
45. Evaluate diagrams of series
and parallel circuits to
determine the flow of
electricity
46. Diagram a magnetic field
47. Explain how electricity and
magnetism are related
48. Compare properties of waves
in the electromagnetic spectrum
49. Describe the Doppler effect
on sound
50. Identify positive and
negative effects of
electromagnetic/mechanical waves
on humans and human activities
(e.g., sound, ultraviolet rays,
X-rays, MRIs, fiber optics)
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