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  - Modern Physics
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  - Astrophysics
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- Chemistry
  - Physical Chemistry
    - States of Matter 202
    - Physical Gas Laws 22
    - Chemical Equilibrium 18
    - Ionic Equilibrium 50
    - Solutions 10
    - Colligative Properties 64
    - Chemical Kinetics 18
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  - Inorganic Chemistry
    - Periodic Table 230
    - Chemical Bonding 111
    - Coordination Compounds 23
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    - s Block Elements 1
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    - d Block Elements 2
    - f Block Elements 5
    - Hydrogen 8
    - Halogens 10
    - Noble Gases 4
    - Acids and Bases 69
    - Salt Analysis 25
  - Organic Chemistry
    - Organic Compounds Classification 28
    - Structural Isomerism 13
    - Nomenclature 82
    - Hydrocarbons 6
    - Haloalkanes 6
    - Alcohols 8
    - Aldehydes 3
    - Ketones 4
    - Carboxylic Acids 8
    - Amines 3
    - Organic Biomolecules 17
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  - Analytical Chemistry
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    - Titrations 3
    - Gravimetric Analysis 5
    - Chromatography 4
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    - Electroanalytical Methods 10
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  - Biochemistry
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    - Proteins 30
    - Enzymes 24
    - Lipids 46
    - Nucleic Acids 8
    - Metabolism 4
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    - Vitamins 30
    - Hormones 12
    - Cell Signaling 16
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  - Environmental Chemistry
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    - Water Pollution 20
    - Soil Pollution 4
    - Waste Management 53
    - Ozone Depletion 9
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    - Eutrophication 2
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  - Industrial Chemistry
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    - Food Chemistry 12
    - Pulp and Paper 2
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  - Nuclear Chemistry
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  - Polymer Chemistry
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  - Theoretical Chemistry
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    - Statistical Mechanics 7
    - Chemical Thermodynamics 12
    - Reaction Dynamics 124
    - Electronic Structure 57
    - Molecular Dynamics 18
    - Spectroscopy Theory 1
  - Medicinal Chemistry
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    - Drug Metabolism 3
    - Enzyme Inhibition 18
    - Receptor Binding 9
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    - Prodrugs 1
    - Natural Products 7
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  - Green Chemistry
    - Principles 8
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    - Energy Efficiency 13
    - Catalysis 1
    - Biodegradable Materials 1
    - Green Synthesis 1
    - Solvent Reduction 10
    - Atom Economy 2
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  - Materials Chemistry
    - Crystal Structure 51
    - Band Theory 7
    - Materials Polymers 2
    - Ceramics 1
    - Nanomaterials 8
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    - Corrosion 28
    - Alloys 11
    - Superconductors 1
    - Thin Films 1
    - Magnetic Materials 4
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- Biology
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    - Cell Theory 100
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    - Eukaryotic Cells 25
    - Cell Organelles 63
    - Cell Membrane 70
    - Cell Wall 1
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    - Nucleus 12
    - Mitochondria 16
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    - Ribosomes 13
    - Endoplasmic Reticulum 2
    - Golgi Apparatus 15
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    - Cell Division 113
    - Cell Cycle 37
    - Transport Mechanisms 90
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  - Genetics
    - DNA Structure 90
    - RNA Structure 36
    - Gene Expression 14
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    - Transcription 8
    - Translation 3
    - Mutation 38
    - Mendelian Inheritance 38
    - Non Mendelian Inheritance 76
    - Genetic Disorders 40
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    - Epigenetics 3
  - Evolution
    - Origin of Life 47
    - Theories of Evolution 12
    - Natural Selection 42
    - Variation 27
    - Adaptation 23
    - Speciation 9
    - Fossil Record 12
    - Comparative Anatomy 29
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    - Human Evolution 22
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  - Ecology
    - Ecosystem 51
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    - Food Chains 90
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    - Biodiversity 180
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    - Succession 24
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    - Human Impact 33
    - Ecological Climate Change 16
  - Human Anatomy and Physiology
    - Skeletal System 232
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    - Endocrine System 167
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  - Botany Plant Biology
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  - Zoology Animal Biology
    - Classification 243
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    - Nematoda 17
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    - Fish 26
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    - Reptiles 41
    - Birds 60
    - Mammals 38
    - Anatomy 17
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    - Reproduction 36
    - Development 10
    - Behavior 123
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    - Microbial Structure 57
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    - Metabolomics 3
  - Molecular Biology
    - Biological Biomolecules 17
    - Carbohydrates 27
    - Biochemical Lipids 2
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    - Bio Enzymes 3
    - Bio Nucleic Acids 21
    - Biochemical Vitamins 30
    - Bio Minerals 5
    - Bio Metabolism 45
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  - Immunology
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  - Developmental Biology
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- Earth and Space Science
  - Geology
    - Minerals 52
    - Rocks 18
    - Geological Rock Cycle 45
    - Plate Tectonics 104
    - Geological Volcanoes 33
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    - Weathering 14
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    - Soil 8
    - Fossils 8
    - Geological Time 23
    - Geomorphology 5
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  - Meteorology
    - Metrological Atmosphere 12
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  - Oceanography
    - Ocean Basins 18
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    - Marine Life 30
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  - Paleontology
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  - Climate Science
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  - Natural Disasters
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  - Earth Systems and Cycles
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  - Soil Science
    - Soil Formation 2
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    - Soil Physics 1
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- Astronomy
  - Observational Astronomy
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    - Comets 10
    - Meteoroids 5
    - Kuiper Belt 2
  - Stars and Stellar Evolution
    - Star Formation 1
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    - Black Holes 1
    - Stellar Nucleosynthesis 2
    - Variable Stars 2
  - Galaxies
    - Nebulae 1
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    - Galaxy Black Holes 2
  - Cosmology
    - Big Bang 22
    - Cosmo Dark Matter 2
    - Dark Energy 1
    - Cosmic Microwave 3
    - Large Scale 1
    - Galaxy Formation 5
    - Universe Expansion 2
    - Cosmological Models 4
  - Exoplanets
    - Detection Methods 1
    - Planet Types 6
    - Atmospheres 1
  - Astrobiology
    - Biosignatures 4
    - Life Detection 2
    - Mars Life 3
    - Space Missions 5
  - Astronomical Instruments
    - Radio Telescope 1
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  - Space Exploration and Missions
    - Spacecraft 1
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    - Lunar Missions 6
    - Mars Missions 2
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  - Celestial Mechanics and Orbits
    - Orbital Motion 7
    - Kepler Laws 3
    - Newton Laws 60
    - Orbital Gravity 1
    - Eclipses 7
    - Retrograde Motion 2
    - Perturbations 4
    - Orbital Resonance 4
Math

8th Grade Space Exploration Quizzes, Questions & Answers

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States Of Matter Nomenclature Biodiversity Circulatory System Plant Taxonomy Digestive System Plant Physiology Calorimetry Wave Properties Evolutionary Trends Acids And Bases Cell Division Current Electricity Ozone Depletion Perturbations

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An 8th Grade Science EOG Review Test

With the 9th grade lurking at the corner, it is more important to ensure you pass the grade exam and progress with your classmates. Have you prepared adequately for the science exam that is coming up? This 8th Grade Science EOG...

Questions: 13 | Attempts: 11740 | Last updated: Mar 22, 2023

Sample Question 1
Which event will lead to the greatest reduction of dissolved oxygen in a lake?

Decreased number of fish in the lake

Increased nutrients and algal blooms

Increased number of fish in the lake

Decreased number of plants surrounding the lake

Sample Question 2
Which may result from increased recreational water activities on a lake?

The turbidity of the lake may decrease

The number of fish and other aquatic life may increase.

The water quality of the lake may decrease.

The amount of dissolved oxygen in the lake may increase.

Sample Question 3
Which would most greatly affect the health of fish in a local pond?

The daily release of hot water into the pond from a local factory.

A hurricane temporarily stirring up water and sediments in the pond.

The occasional release of sediments into the pond from a nearby field.

A small increase in the number of fishers who use the pond for food.