Missouri Grade 8 Science GLA Practice

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Properties and Principles of Matter and Energy16%
Properties and Principles of Force and Motion9%
Characteristics and Interactions of Living Organisms13%
Changes in Ecosystems and Interactions of Organisms with Their Environments12%
Processes and Interactions of the Earth's Systems14%
Impact of Science, Technology, and Human Activity9%
Composition and Structure of the Universe and the Motions of the Objects Within It13%
Processes of Scientific Inquiry24%
  • Questions: 6,231
  • Technology Enhanced Items: 509
  • Instructional Videos: 229
  • Vocabulary Terms: 1,102

Test Standards

Properties and Principles of Matter and Energy
1. (6.1.A.a)  Matter
2. (6.1.A.b)  Volume
3. (6.1.A.c)  Mass
4. (6.1.A.d)  Classify Matter
5. (6.1.B.a)  Mixture Components
6. (6.1.B.b)  Separation
7. (6.1.B.c)  Solids In Water
8. (8.1.A.a)  Elements
9. (8.1.A.b)  Physical And Chemical Properties
10. (6.1.B.a.)  Distinguishing Properties
11. (6.1.B.c.)  Predicting Behavior
12. (6.1.C.a.)  Particle Theory Of Matter
13. (8.1.C.a.)  Microscopic Particles
14. (6.1.D.a.)  Volume/temperature Changes In Water
15. (7.1.D.a.)  Temperature And Gas
16. (8.1.D.a.)  Kinetic Theory Model
17. (8.1.D.b.)  Phase Changes
18. (8.1.D.c.)  Effects Of Energy Transfer
19. (8.1.F.a.)  Identify Elements
20. (6.1.G.a.)  Classifying Changes In Matter
21. (6.1.G.b.)  Identify Chemical Changes
22. (6.1.G.c.)  Identify Physical Changes
23. (6.1.I.a.)  Conservation Of Mass
24. (7.1.I.a.)  Water Cycle
25. (8.1.I.a.)  Chemical Change & Mass
26. (8.1.I.b.)  Rock Cycle
27. (8.1.I.c.)  Food Chains & Food Webs
28. (6.2.A.a.)  Visible Light Sources
29. (6.2.A.b.)  Path Of Light
30. (6.2.A.c.)  Reflection Of Light
31. (6.2.A.d.)  Refraction Of Light
32. (6.2.A.e.)  Surfaces, Lenses, & Light
33. (6.2.A.f.)  Receivers Of Visible Light Energy
34. (6.2.A.g.)  Explain Visibility
35. (6.2.A.h.)  Color Perception
36. (6.2.A.i.)  Transfer Of Sound Energy
37. (6.2.A.j.)  Loudness & Pitch
38. (6.2.A.k.)  Mechanical Waves
39. (7.2.A.a.)  Kinetic Energy
40. (7.2.A.b.)  Kinetic Molecular Model
41. (7.2.A.c.)  Thermal Energy Transfer
42. (7.2.A.d.)  Conduction, Convection, & Radiation
43. (7.2.A.e.)  Heat Transfer
44. (7.2.A.f.)  Conductors & Insulators
45. (7.2.A.g.)  Color And Heat
46. (7.2.A.h.)  Interactions Of Charges
47. (7.2.A.i.)  Electric Circuits
48. (7.2.A.j.)  Closed Series Circuit
49. (7.2.A.k.)  Current
50. (7.2.A.l.)  Classify Conductors/insulators
51. (7.2.A.m.)  Complete Series V. Parallel Circuits
52. (7.2.A.n.)  Pros & Cons Of Circuits
53. (8.2.A.a.)  Storage Of Chemical Energy
54. (6.2.C.a.)  Energy Transfer From Sun
55. (6.2.C.b.)  Recognize Energy Source
56. (7.2.C.a.)  Source Of Weather Phenomena
Properties and Principles of Force and Motion
1. (7.1.A.a.)  Cause Of Circular Motion
2. (7.1.A.b.)  Classify Motion
3. (7.1.A.c.)  Calculating Speed
4. (7.1.A.d.)  Interpreting A Line Graph
5. (7.2.A.a.)  Types Of Forces
6. (7.2.A.b.)  Using A Spring Scale
7. (7.2.B.a.)  Gravitational Force Of Attraction
8. (7.2.B.b.)  Weight And Gravitational Force
9. (7.2.B.c.)  Compare Amount Of Gravitational Force
10. (7.2.D.a.)  Balanced/unbalanced Forces
11. (7.2.D.b.)  Constant Motion
12. (7.2.D.c.)  Effect Of Unbalanced Force
13. (7.2.D.d.)  Acceleration
14. (7.2.F.a.)  Recognize Work
15. (7.2.F.b.)  Calculating Work
16. (7.2.F.c.)  Simple Machines
17. (7.2.F.d.)  Work Output = Work Input
18. (7.2.F.e.)  Evaluate Simple Machine Designs
Characteristics and Interactions of Living Organisms
1. (6.1.A.a.)  Common Life Processes
2. (8.1.A.a.)  Food & Oxygen Requirement
3. (6.1.C.a.)  Fundamental Units Of Life
4. (8.1.D.a.)  Structures Of Plants/animals
5. (6.1.E.a.)  Unicellular/multicellular Organisms
6. (6.1.E.b.)  Examples Of Uni/multicellular Organisms
7. (6.2.A.a.)  Plant/Animal Cell Structures
8. (6.2.A.b)  Function Of Chloroplast
9. (8.2.A.a.)  Function Of Cell Membrane
10. (8.2.A.b.)  Chloroplast & Photosynthesis
11. (6.2.B.a.)  Utilizing Sun's Energy
12. (8.2.B.a.)  Describe Photosynthesis
13. (8.2.B.b.)  Necessity Of Oxygen
14. (8.2.B.c.)  Exchange Of Oxygen & Carbon Dioxide
15. (8.2.C.a.)  Levels Of Organization
16. (8.2.C.b.)  Path Of Water & Nutrients
17. (8.2.C.c.)  Circulatory & Digestive Systems
18. (8.2.C.d.)  Mechanical & Chemical Digestion
19. (8.2.C.e.)  Nutrient & Waste Molecules
20. (8.2.C.f.)  Interactions Of Circulatory/respiratory Systems
21. (8.2.C.g.)  Nervous & Muscular Systems
22. (8.2.F.a)  Maintaining Internal Balance
23. (8.2.G.a.)  Cause/effect Of Diseases
24. (8.2.G.b.)  Common Diseases & Their Causes
25. (8.2.G.c.)  Infectious V. Noninfectious Diseases
26. (8.2.G.d.)  Antibiotics & Vaccines
27. (8.3.A.a.)  Asexual V. Sexual Reproduction
28. (8.3.A.b.)  Examples Of Asexual Reproduction
29. (8.3.A.c.)  Reproductive Mechanisms
30. (8.3.A.d.)  Sexual Reproduction Of Flowering Plants
31. (8.3.C.a.)  Identify Chromosomes
32. (8.3.C.b.)  Genetics & Asexual Reproduction
33. (8.3.C.c.)  Genetics & Sexual Reproduction
34. (8.3.D.a.)  Identical Parent/daughter Cells
35. (8.3.D.b.)  Offspring Of Sexual Reproduction
Changes in Ecosystems and Interactions of Organisms with Their Environments
1. (6.1.A.a.)  Biotic/Abiotic Factors
2. (6.1.B.b.)  Competing Populations
3. (6.1.B.b.)  Factors Affecting Ecosystem Support
4. (6.1.B.c.)  Effects Of Organism Changes
5. (6.1.D.a.)  Beneficial/harmful Activities Of Organisms
6. (6.1.D.b.)  Predicting Impact Of Environmental Change
7. (6.1.D.c.)  Solutions To Harmful Changes
8. (8.1.D.a.)  Impacts Of Organisms On Eachother
9. (6.2.A.a.)  Transfer Of Energy In Food Webs
10. (6.2.A.b.)  Classifying Ecosystem Populations
11. (8.2.B.a.)  Oxygen/carbon Dioxide Cycles
12. (8.2.B.b.)  Recycling Of Matter
13. (6.3.A.a.)  Using Fossils As Evidence
14. (6.3.C.a.)  Adaptation & Survival
15. (6.3.C.b.)  Survival Advantages
Processes and Interactions of the Earth's Systems
1. (6.1.A.a.)  Components Of Soil
2. (8.1.A.a.)  Minerals V. Rocks
3. (8.1.A.b.)  Classifying Minerals
4. (8.1.A.c.)  Methods Of Identification
5. (6.1.B.a.)  Properties Of Water
6. (7.1.C.a.)  Composition Of Earth's Atmosphere
7. (7.1.C.b.)  Role Of The Atmosphere
8. (6.2.A.a.)  Formation Of Sedimentary Rocks
9. (6.2.A.b.)  Weathering & Erosion
10. (6.2.A.c.)  Weathering Agents & Erosional Processes
11. (6.2.A.d.)  Abruput Surface Changes
12. (6.2.B.a.)  Identify Events
13. (8.2.B.a.)  Convection Currents
14. (8.2.B.b.)  Plate Motion & Rock Layers
15. (8.2.B.c.)  Movement Of Crustal Plates
16. (8.2.C.a.)  Mantle Layer Heating/cooling
17. (8.2.C.b.)  Formation Of Igneous/metamorphic Rocks
18. (8.2.C.c.)  Processes Of Rock Cycle
19. (6.2.D.a.)  Fossil Types & Formation
20. (6.2.D.b.)  Using Fossil Evidence
21. (8.2.D.a.)  Methods For Dating
22. (8.2.D.b.)  Using Rock & Fossil Evidence
23. (7.2.E.a.)  Explain/trace Paths Of Wather
24. (7.2.E.b.)  Forms Of Water
25. (7.2.E.c.)  Thermal Energy & The Water Cycle
26. (7.2.F.a.)  Relating Surface & Air Temperature
27. (7.2.F.b.)  Characteristics/effects Of Air Masses
28. (7.2.F.c.)  Weather Conditions
29. (7.2.F.d.)  Factors Affecting Weather Patterns
30. (7.2.F.e.)  Interpreting Weather Data
31. (7.2.F.f.)  Causes Of Weather Phenomena
32. (7.2.F.g.)  Weather V. Climate
33. (7.2.F.h.)  Factors Affecting Climate
34. (6.3.A.a.)  Availability Of Water
35. (6.3.A.b.)  Human Activity & Quality Of Water
36. (6.3.A.c.)  Human Affect On Erosion/deposition
37. (7.3.A.a.)  Renewable V. Nonrenewable Energy Sources
38. (7.3.A.b.)  Availability Of Fresh Water
Impact of Science, Technology, and Human Activity
1. (1.A.a.)  Technological Improvements
2. (1.B.a.)  Linking Technology & Discovery
3. (1.C.a.)  Benefits & Drawbacks
4. (2.A.a.)  Contributions Of Scientists/inventors
5. (2.B.a.)  Difficulty Of Break Throughs
6. (2.B.b.)  Changed Explanations
7. (3.B.a.)  Science & Society
8. (3.B.b.)  Overcoming Problems
Composition and Structure of the Universe and the Motions of the Objects Within It
1. (7.1.A.a.)  Classify Celestial Bodies
2. (7.1.A.b.)  Compare/contrast Planets
3. (7.1.A.c.)  Proximity To Earth
4. (7.1.B.a.)  Favorable Placement Of Earth
5. (7.1.B.b.)  Characteristics Of Planets
6. (7.1.C.a.)  Apparent Size Of Stars
7. (7.1.C.b.)  Distance Light Travels
8. (7.2.A.a.)  Earth's Counterclockwise Rotation
9. (7.2.A.b.)  Changes In Hours Of Daylight
10. (7.2.A.c.)  Sun's Appearance In Northern Hemisphere
11. (7.2.A.d.)  Winter Vs. Summer Appearance Of Sun
12. (7.2.A.e.)  Sun Never Directly Overhead
13. (7.2.B.a.)  Changes Of The Moon
14. (7.2.B.b.)  Progressively Later Moonrise
15. (7.2.B.c.)  Length Of Moon's Appearance
16. (7.2.B.d.)  Half Of Moon Facing Sun
17. (7.2.B.e.)  Moon's Position & Earth's Rotation
18. (7.2.B.f.)  Moon Phases
19. (7.2.C.a.)  Explain What Constitutes A Day
20. (7.2.C.b.)  Diagram Earth's Path
21. (7.2.C.c.)  Explain What Constitues A Year
22. (7.2.C.d.)  Relationship Bet. A Planet's Year & Position
23. (7.2.C.e.)  Causes Of Moon Phases
24. (7.2.C.f.)  Intensity Of Sunlight
25. (7.2.D.a.)  Earth's Gravity
26. (7.2.D.b.)  Gravitational Pull & Satellites/moons
27. (7.2.D.c.)  Sun's Gravitational Pull
Processes of Scientific Inquiry
1. (8.1.A.a.)  Formulating Questions & Hypotheses
2. (8.1.A.b.)  Components Of Valid Experiment
3. (8.1.A.c.)  Design/conduct Experiment
4. (8.1.A.d.)  Evaluating Experiments
5. (8.1.A.e.)  Differing Scientific Investigations
6. (8.1.A.f.)  The Scientific Method
7. (8.1.B.a.)  Qualitative Observations
8. (8.1.B.b.)  Appropriate Collection Of Data
9. (8.1.B.c.)  Gather Data W/different Tools
10. (8.1.B.d.)  Nearest Unit Of Measurement
11. (8.1.B.e.)  Compare Amounts/measurements
12. (8.1.B.f.)  Discerning Validity Of Measurements/quantities
13. (8.1.B.g.)  Calculating Range & Mean
14. (8.1.C.a.)  Using Quantitative/qualitative Data
15. (8.1.C.b.)  Using Data
16. (8.1.C.c.)  Effects Of Errors
17. (8.1.C.d.)  Evaluating Explanations
18. (8.1.C.e.)  Analyzing Proposed Explanations
19. (8.1.D.a.)  Communicating Procedures & Results