Missouri State Standards for Science: Grade 2

MO.ME.1.1. Properties and Principles of Matter and Energy: Changes in properties and states of matter provide evidence of the atomic theory of matter

ME.1.1.A.2.a. Objects, and the materials they are made of, have properties that can be used to describe and classify them: Describe and compare the physical properties of objects by using simple tools (i.e., thermometer, magnifier, centimeter ruler, balance, magnet) 46
Suggested Titles for Missouri Science State Standard ME.1.1.A.2.a.

ME.1.1.A.2.b. Objects, and the materials they are made of, have properties that can be used to describe and classify them: Classify objects as 'one kind of material' or a mixture 9
Suggested Titles for Missouri Science State Standard ME.1.1.A.2.b.

ME.1.1.B.2.a. Properties of mixtures depend upon the concentrations, properties, and interactions of particles: Observe and describe how mixtures are made by combining solids 5
Suggested Titles for Missouri Science State Standard ME.1.1.B.2.a.

ME.1.1.B.2.b. Properties of mixtures depend upon the concentrations, properties, and interactions of particles: Describe ways to separate the components of a mixture by their physical properties (e.g., sorting, magnets, screening) 5
Suggested Titles for Missouri Science State Standard ME.1.1.B.2.b.

MO.ME.1.2. Properties and Principles of Matter and Energy: Energy has a source, can be transferred, and can be transformed into various forms but is conserved between and within systems

ME.1.2.A.2.a. Forms of energy have a source, a means of transfer (work and heat), and a receiver: Recognize that sound travels through different mediums (i.e., air, water, solids) 7
Suggested Titles for Missouri Science State Standard ME.1.2.A.2.a.

ME.1.2.A.2.b. Forms of energy have a source, a means of transfer (work and heat), and a receiver: Describe different ways to change the pitch of a sound (i.e., changes in size, such as length or thickness, and in tightness/tension of the source) 7
Suggested Titles for Missouri Science State Standard ME.1.2.A.2.b.

ME.1.2.A.2.c. Forms of energy have a source, a means of transfer (work and heat), and a receiver: Describe how the ear serves as a receiver of sound (i.e., sound vibrates eardrum) 7
Suggested Titles for Missouri Science State Standard ME.1.2.A.2.c.

MO.FM.2.2. Properties and Principles of Force and Motion: Forces affect motion

FM.2.2.A.2.a. Forces are classified as either contact (pushes, pulls, friction, buoyancy) or non-contact forces (gravity, magnetism), that can be described in terms of direction and magnitude: Recognize magnets attract and repel each other and certain materials 7
Suggested Titles for Missouri Science State Standard FM.2.2.A.2.a.

FM.2.2.A.2.b. Forces are classified as either contact (pushes, pulls, friction, buoyancy) or non-contact forces (gravity, magnetism), that can be described in terms of direction and magnitude: Describe magnetism as a force that can push or pull other objects without touching them 7
Suggested Titles for Missouri Science State Standard FM.2.2.A.2.b.

FM.2.2.A.2.c. Forces are classified as either contact (pushes, pulls, friction, buoyancy) or non-contact forces (gravity, magnetism), that can be described in terms of direction and magnitude: Measure (using non-standard units) and compare the force (i.e., push or pull) required to overcome friction and move an object over different surfaces (i.e., rough, smooth) 10
Suggested Titles for Missouri Science State Standard FM.2.2.A.2.c.

FM.2.2.B.2.a. Every object exerts a gravitational force on every other object: Describe Earth's gravity as a force that pulls objects on or near the Earth toward the Earth without touching the object 10
Suggested Titles for Missouri Science State Standard FM.2.2.B.2.a.

FM.2.2.D.2.a. Newton's Laws of Motion explain the interaction of mass and forces, and are used to predict changes in motion: Describe the direction and amount of force (i.e., direction of push or pull, strong/weak push or pull) needed to change an object's motion (i.e., faster/slower, change in direction) 12
Suggested Titles for Missouri Science State Standard FM.2.2.D.2.a.

FM.2.2.D.2.b. Newton's Laws of Motion explain the interaction of mass and forces, and are used to predict changes in motion: Describe and compare the distances traveled by heavier/lighter objects after applying the same amount of force (i.e., push or pull) in the same direction 11
Suggested Titles for Missouri Science State Standard FM.2.2.D.2.b.

FM.2.2.D.2.c. Newton's Laws of Motion explain the interaction of mass and forces, and are used to predict changes in motion: Describe and compare the distances traveled by objects with the same mass after applying different amounts of force (i.e., push or pull) in the same direction 11
Suggested Titles for Missouri Science State Standard FM.2.2.D.2.c.

FM.2.2.F.2.a. Simple machines (levers, inclined planes, wheel and axle, pulleys) affect the force applied to an object and/or direction of movement as work is done: Compare and describe the amount of force (i.e., more, less, or same push or pull) needed to raise an object to a given height, with or without using inclined planes (ramps) of different slopes 14
Suggested Titles for Missouri Science State Standard FM.2.2.F.2.a.

FM.2.2.F.2.b. Simple machines (levers, inclined planes, wheel and axle, pulleys) affect the force applied to an object and/or direction of movement as work is done: Compare and describe the amount of force (i.e., more, less, or same push or pull) needed to raise an object to a given height, with or without using levers 15
Suggested Titles for Missouri Science State Standard FM.2.2.F.2.b.

FM.2.2.F.2.c. Simple machines (levers, inclined planes, wheel and axle, pulleys) affect the force applied to an object and/or direction of movement as work is done: Apply the use of an inclined plane (ramp) and/or lever to different real life situations in which objects are raised 13
Suggested Titles for Missouri Science State Standard FM.2.2.F.2.c.

MO.LO.3.1. Characteristics and Interactions of Living Organisms: There is a fundamental unity underlying the diversity of all living organisms

LO.3.1.B.2.a. Organisms progress through life cycles unique to different types of organisms: Recognize that animals progress through life cycles of birth, growth and development, reproduction, and death 124
Suggested Titles for Missouri Science State Standard LO.3.1.B.2.a.

LO.3.1.B.2.b. Organisms progress through life cycles unique to different types of organisms: Record observations on the life cycle of different animals (e.g., butterfly, frog, chicken) 124
Suggested Titles for Missouri Science State Standard LO.3.1.B.2.b.

LO.3.1.B.2.c. Organisms progress through life cycles unique to different types of organisms: Sequence the stages in the life cycle of animals (i.e., butterfly, frog, chicken) 124
Suggested Titles for Missouri Science State Standard LO.3.1.B.2.c.

MO.LO.3.3. Characteristics and Interactions of Living Organisms: There is a genetic basis for the transfer of biological characteristics from one generation to the next through reproductive processes

LO.3.3.D.2.a. There is heritable variation within every species of organism: Identify and relate the similarities and differences between animal parents and their offspring 53
Suggested Titles for Missouri Science State Standard LO.3.3.D.2.a.

LO.3.3.D.2.b. There is heritable variation within every species of organism: Recognize similarities and differences among multiple offspring of an animal parent 53
Suggested Titles for Missouri Science State Standard LO.3.3.D.2.b.

MO.ES.5.1. Processes and Interactions of the Earth's Systems (Geosphere, Atmosphere, and Hydrosphere): Earth's systems (geosphere, atmosphere, and hydrosphere) have common components and unique structures

ES.5.1.A.2.a. The Earth's crust is composed of various materials, including soil, minerals, and rocks, with characteristic properties: Observe and describe the physical properties (e.g., odor, color, appearance, relative grain size, texture, absorption of water) and different components (i.e., sand, clay, humus) of soils 1
Suggested Titles for Missouri Science State Standard ES.5.1.A.2.a.

ES.5.1.A.2.b. The Earth's crust is composed of various materials, including soil, minerals, and rocks, with characteristic properties: Observe and describe the physical properties of rocks (e.g., size, shape, color, presence of fossils) 3
Suggested Titles for Missouri Science State Standard ES.5.1.A.2.b.

MO.ES.5.2. Processes and Interactions of the Earth's Systems (Geosphere, Atmosphere, and Hydrosphere): Earth's systems (geosphere, atmosphere, and hydrosphere) interact with one another as they undergo change by common processes

ES.5.2.A.2.a. The Earth's materials and surface features are changed through a variety of external processes: Observe and recognize examples of slow changes in the Earth's surface and surface materials (e.g., rock, soil layers) due to processes such as decay (rotting), freezing, thawing, breaking, or wearing away by running water or wind 22
Suggested Titles for Missouri Science State Standard ES.5.2.A.2.a.

MO.ES.5.3. Processes and Interactions of the Earth's Systems (Geosphere, Atmosphere, and Hydrosphere): Human activity is dependent upon and affects Earth's resources and systems

ES.5.3.A.2.a. Earth's materials are limited natural resources affected by human activity: Observe and describe ways humans use Earth's materials (e.g., soil, rocks) in daily life 12
Suggested Titles for Missouri Science State Standard ES.5.3.A.2.a.

MO.IN.7.1. Scientific Inquiry: Science understanding is developed through the use of science process skills, scientific knowledge, scientific investigation, reasoning, and critical thinking

IN.7.1.A.2.a. Scientific inquiry includes the ability of students to formulate a testable question and explanation, and to select appropriate investigative methods in order to obtain evidence relevant to the explanation: Pose questions about objects, materials, organisms and events in the environment 14
Suggested Titles for Missouri Science State Standard IN.7.1.A.2.a.

IN.7.1.A.2.b. Scientific inquiry includes the ability of students to formulate a testable question and explanation, and to select appropriate investigative methods in order to obtain evidence relevant to the explanation: Plan and conduct a simple investigation (fair test) to answer a question 14
Suggested Titles for Missouri Science State Standard IN.7.1.A.2.b.

IN.7.1.B.2.a. Scientific inquiry relies upon gathering evidence from qualitative and quantitative observations: Make qualitative observations using the five senses 26
Suggested Titles for Missouri Science State Standard IN.7.1.B.2.a.

IN.7.1.B.2.b. Scientific inquiry relies upon gathering evidence from qualitative and quantitative observations: Make observations using simple tools and equipment (e.g., magnifiers/hand lenses, magnets, equal arm balances, thermometers) 10
Suggested Titles for Missouri Science State Standard IN.7.1.B.2.b.

IN.7.1.B.2.c. Scientific inquiry relies upon gathering evidence from qualitative and quantitative observations: Measure length, mass, and temperature using standard and non-standard units 43
Suggested Titles for Missouri Science State Standard IN.7.1.B.2.c.

IN.7.1.B.2.d. Scientific inquiry relies upon gathering evidence from qualitative and quantitative observations: Compare amounts/measurements 43
Suggested Titles for Missouri Science State Standard IN.7.1.B.2.d.

IN.7.1.C.2.a. Evidence is used to formulate explanations: Use observations as support for reasonable explanations 15
Suggested Titles for Missouri Science State Standard IN.7.1.C.2.a.

IN.7.1.C.2.b. Evidence is used to formulate explanations: Use observations to describe relationships and patterns and to make predictions to be tested 15
Suggested Titles for Missouri Science State Standard IN.7.1.C.2.b.

IN.7.1.D.2.a. Scientific inquiry includes evaluation of explanations (hypotheses, laws, theories) in light of scientific principles (understandings): Compare explanations with prior knowledge 15
Suggested Titles for Missouri Science State Standard IN.7.1.D.2.a.

IN.7.1.E.2.a. The nature of science relies upon communication of results and justification of explanations: Communicate simple procedures and results of investigations and explanations through: oral presentations; drawings and maps; data tables; graphs (bar, pictograph); writings 24
Suggested Titles for Missouri Science State Standard IN.7.1.E.2.a.

MO.ST.8.1. Impact of Science, Technology and Human Activity: The nature of technology can advance, and is advanced by, science as it seeks to apply scientific knowledge in ways that meet human needs

ST.8.1.A.2.a. Designed objects are used to do things better or more easily and to do some things that could not otherwise be done at all: Design and construct a musical instrument using materials (e.g., cardboard, wood, plastic, metal) and/or existing objects (e.g., toy wheels, gears, boxes, sticks) that can be used to perform a task (Assess Locally) 1
Suggested Titles for Missouri Science State Standard ST.8.1.A.2.a.

ST.8.1.B.2.a. Advances in technology often result in improved data collection and an increase in scientific information: Describe how tools have helped scientists make better observations, measurements, or equipment for investigations (e.g., magnifiers, balances, stethoscopes, thermometers)

MO.ST.8.3. Impact of Science, Technology and Human Activity: Science and technology affect, and are affected by, society

ST.8.3.A.2.a. People, alone or in groups, are always making discoveries about nature and inventing new ways to solve problems and get work done: Identify a question that was asked, or could be asked, or a problem that needed to be solved when given a brief scenario (fiction or nonfiction of individuals solving everyday problems or learning through discovery) 10
Suggested Titles for Missouri Science State Standard ST.8.3.A.2.a.

ST.8.3.A.2.b. People, alone or in groups, are always making discoveries about nature and inventing new ways to solve problems and get work done: Work with a group to solve a problem, giving due credit to the ideas and contributions of each group member (Assess Locally) 14
Suggested Titles for Missouri Science State Standard ST.8.3.A.2.b.