Arkansas State Standards for Science: Grade 2

AR.1. Nature of Science: Characteristics and Processes of Science: Students shall demonstrate and apply knowledge of the characteristics and processes of science using appropriate safety procedures, equipment, and technology.

NS.1.2.1. Inquiry and Process Skills: Communicate observations orally, in writing, and in graphic organizers: T-charts; pictographs; Venn diagrams; bar graphs. 48
Suggested Titles for Arkansas Science State Standard NS.1.2.1.

NS.1.2.2. Inquiry and Process Skills: Develop questions that guide scientific inquiry 53
Suggested Titles for Arkansas Science State Standard NS.1.2.2.

NS.1.2.3. Inquiry and Process Skills: Conduct scientific investigations individually and in teams: lab activities; field studies. 52
Suggested Titles for Arkansas Science State Standard NS.1.2.3.

NS.1.2.4. Inquiry and Process Skills: Estimate and measure length and temperature using International System of Units (SI) 31
Suggested Titles for Arkansas Science State Standard NS.1.2.4.

NS.1.2.5. Inquiry and Process Skills: Collect measurable empirical evidence in teams and as individuals 54
Suggested Titles for Arkansas Science State Standard NS.1.2.5.

NS.1.2.6. Inquiry and Process Skills: Make predictions in teams and as individuals based upon empirical evidence 54
Suggested Titles for Arkansas Science State Standard NS.1.2.6.

NS.1.2.7. Scientific Equipment and Technology: Use age appropriate equipment and tools in scientific investigations (e.g., balances, hand lenses, rulers, and thermometers) 16
Suggested Titles for Arkansas Science State Standard NS.1.2.7.

NS.1.2.8. Scientific Equipment and Technology: Apply lab safety rules as they relate to specific science lab activities (see Arkansas Lab Safety Guide) 16
Suggested Titles for Arkansas Science State Standard NS.1.2.8.

AR.2. Life Science: Living Systems: Characteristics, Structure, and Function: Students shall demonstrate and apply knowledge of living systems using appropriate safety procedures, equipment, and technology

LS.2.2.1. Characteristics: Classify animals into major groups according to their structure: mammals; birds; fish 23
Suggested Titles for Arkansas Science State Standard LS.2.2.1.

LS.2.2.2. Characteristics: Differentiate among herbivores, carnivores, and omnivores 168
Suggested Titles for Arkansas Science State Standard LS.2.2.2.

LS.2.2.3. Characteristics: Identify basic needs of most plants: nutrients; water; light; air; temperature; space 39
Suggested Titles for Arkansas Science State Standard LS.2.2.3.

LS.2.2.4. Characteristics: Compare different types of flowering plants and conifers 39
Suggested Titles for Arkansas Science State Standard LS.2.2.4.

LS.2.2.5. Structure and Function: Identify the major parts and functions of the skeletal system 51
Suggested Titles for Arkansas Science State Standard LS.2.2.5.

LS.2.2.6. Structure and Function: Describe the function of the following plant parts: leaves; stems; flowers; roots 56
Suggested Titles for Arkansas Science State Standard LS.2.2.6.

AR.3. Life Science: Life Cycles, Reproduction, and Heredity: Students shall demonstrate and apply knowledge of life cycles, reproduction, and heredity using appropriate safety procedures, equipment, and technology.

LS.3.2.1. Life Cycles: Illustrate embryonic development (e.g., chicken) 174
Suggested Titles for Arkansas Science State Standard LS.3.2.1.

LS.3.2.2. Life Cycles: Compare and contrast embryonic development and incomplete metamorphosis 124
Suggested Titles for Arkansas Science State Standard LS.3.2.2.

AR.4. Life Science: Populations and Ecosystems: Students shall demonstrate and apply knowledge of populations and ecosystems using appropriate safety procedures, equipment, and technology.

LS.4.2.1. Compare and contrast living and extinct species 37
Suggested Titles for Arkansas Science State Standard LS.4.2.1.

LS.4.2.2. Describe characteristics of various habitats 46
Suggested Titles for Arkansas Science State Standard LS.4.2.2.

AR.5. Physical Science: Matter: Properties and Changes: Students shall demonstrate and apply knowledge of matter, including properties and changes, using appropriate safety procedures, equipment, and technology.

PS.5.2.1. Physical Properties: Classify objects based on two or more properties 199
Suggested Titles for Arkansas Science State Standard PS.5.2.1.

PS.5.2.2. Physical Properties: Investigate the effect of physical phenomena on various materials (e.g., heat absorption by different colored materials) 214
Suggested Titles for Arkansas Science State Standard PS.5.2.2.

AR.6. Physical Science: Motion and Forces: Students shall demonstrate and apply knowledge of motion and forces using appropriate safety procedures, equipment, and technology

PS.6.2.1. Motion and Forces: Investigate the relationship between force and motion 32
Suggested Titles for Arkansas Science State Standard PS.6.2.1.

AR.7. Physical Science: Energy and Transfer of Energy: Students shall demonstrate and apply knowledge of energy and transfer of energy using appropriate safety procedures, equipment, and technology

PS.7.2.1. Light: Classify materials as transparent, translucent, or opaque (e.g., plastic wrap, wax paper, and aluminum foil) 25
Suggested Titles for Arkansas Science State Standard PS.7.2.1.

PS.7.2.2. Heat: Compare temperatures using the Celsius scale 22
Suggested Titles for Arkansas Science State Standard PS.7.2.2.

PS.7.2.3. Electricity: Demonstrate methods of using electricity to produce light, heat, and sound 10
Suggested Titles for Arkansas Science State Standard PS.7.2.3.

AR.8. Earth and Space Science: Earth Systems: Structure and Properties: Students shall demonstrate and apply knowledge of Earth's structure and properties using appropriate safety procedures, equipment, and technology.

ESS.8.2.1. Properties of the Earth: Conduct investigations to distinguish among the following components of soil: clay, sand, silt, humus 29
Suggested Titles for Arkansas Science State Standard ESS.8.2.1.

ESS.8.2.2. Properties of the Earth: Recognize and discuss the different properties of soil: color, texture, ability to retain water, ability to support plant growth 29
Suggested Titles for Arkansas Science State Standard ESS.8.2.2.

ESS.8.2.3. Properties of the Earth: Conduct investigations to determine which soil best supports bean plant growth 82
Suggested Titles for Arkansas Science State Standard ESS.8.2.3.

ESS.8.2.4. Natural Resources: Identify products derived from natural resources 19
Suggested Titles for Arkansas Science State Standard ESS.8.2.4.

ESS.8.2.5. Weather: Chart weather conditions every day 101
Suggested Titles for Arkansas Science State Standard ESS.8.2.5.

ESS.8.2.6. Weather: Demonstrate safety procedures related to severe weather 86
Suggested Titles for Arkansas Science State Standard ESS.8.2.6.

ESS.8.2.7. Weather: Describe characteristics of cumulus, stratus, and cirrus clouds 36
Suggested Titles for Arkansas Science State Standard ESS.8.2.7.

ESS.8.2.8. Weather: Predict weather based on cloud type 36
Suggested Titles for Arkansas Science State Standard ESS.8.2.8.

ESS.8.2.9. Weather: Read a Celsius thermometer 86
Suggested Titles for Arkansas Science State Standard ESS.8.2.9.

AR.9. Earth and Space Science: Earth's History: Changes in Earth and Sky: Students shall demonstrate and apply knowledge of Earth's history using appropriate safety procedures, equipment, and technology.

AR.10. Earth and Space Science: Objects in the Universe: Students shall demonstrate and apply knowledge of objects in the universe using appropriate safety procedures, equipment, and technology.

ESS.10.2.1. Solar System: Illustrate four moon phases: full, half, crescent, new 322
Suggested Titles for Arkansas Science State Standard ESS.10.2.1.

ESS.10.2.2. Solar System: Model the movement of Earth and its moon 322
Suggested Titles for Arkansas Science State Standard ESS.10.2.2.

ESS.10.2.3. Solar System: Contrast the visibility of the sun and moon 322
Suggested Titles for Arkansas Science State Standard ESS.10.2.3.