GEMS Correlations with the
Texas Essential Knowledge and Skills for Science
Grade 2


Return to Texas Standards Page


Science, Grade 2.

Knowledge and skills.


(1) Scientific processes. The student conducts classroom and field investigations following home and school safety procedures. The student is expected to:

(A) demonstrate safe practices during classroom and field investigations; and

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Buzzing a Hive, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(B) learn how to use and conserve resources and dispose of materials.

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Investigating Artifacts, On Sandy Shores, Secret Formulas, Terrarium Habitats

(2) Scientific processes. The student develops abilities necessary to do scientific inquiry in the field and the classroom. The student is expected to:

(A) ask questions about organisms, objects, and events;

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Buzzing a Hive, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(B) plan and conduct simple descriptive investigations;

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(C) compare results of investigations with what students and scientists know about the world;

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(D) gather information using simple equipment and tools to extend the senses;

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Buzzing a Hive, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(E) construct reasonable explanations and draw conclusions using information and prior knowledge; and

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(F) communicate explanations about investigations.

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(3) Scientific processes. The student knows that information and critical thinking are used in making decisions. The student is expected to:

(A) make decisions using information;

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(B) discuss and justify the merits of decisions; and

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, Secret Formulas, Sifting Through Science, Terrarium Habitats,

(C) explain a problem in his/her own words and identify a task and solution related to the problem.

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Investigating Artifacts, Mystery Festival, Secret Formulas, Sifting Through Science, Terrarium Habitats

(4) Scientific processes. The student uses age-appropriate tools and models to verify that organisms and objects and parts of organisms and objects can be observed, described, and measured. The student is expected to:

(A) collect information using tools including rulers, meter sticks, measuring cups, clocks, hand lenses, computers, thermometers, and balances; and

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Buzzing a Hive, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(B) measure and compare organisms and objects and parts of organisms and objects, using standard and non-standard units.

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Investigating Artifacts, On Sandy Shores

(5) Science concepts. The student knows that organisms, objects, and events have properties and patterns. The student is expected to:

(A) classify and sequence organisms, objects, and events based on properties and patterns; and

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Buzzing a Hive, Investigating Artifacts, Liquid Explorations, Mystery Festival, On Sandy Shores, Sifting Through Science

(B) identify, predict, replicate, and create patterns including those seen in charts, graphs, and numbers.

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Liquid Explorations, Mystery Festival, Secret Formulas, Sifting Through Science

(6) Science concepts. The student knows that systems have parts and are composed of organisms and objects. The student is expected to:

(A) manipulate, predict, and identify parts that, when separated from the whole, may result in the part or the whole not working, such as flashlights without batteries and plants without leaves;

Appropriate GEMS Teacher's Guides: On Sandy Shores

(B) manipulate, predict, and identify parts that, when put together, can do things they cannot do by themselves, such as a guitar and guitar strings;

Appropriate GEMS Teacher's Guides: None at this time.

(C) observe and record the functions of plant parts; and

Appropriate GEMS Teacher's Guides: Buzzing a Hive, On Sandy Shores, Terrarium Habitats

(D) observe and record the functions of animal parts.

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Buzzing a Hive, On Sandy Shores, Terrarium Habitats

(7) Science concepts. The student knows that many types of change occur. The student is expected to:

(A) observe, measure, record, analyze, predict, and illustrate changes in size, mass, temperature, color, position, quantity, sound, and movement;

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Bubble Festival, Investigating Artifacts, Involving Dissolving, Liquid Explorations, Mystery Festival, On Sandy Shores, Secret Formulas, Sifting Through Science, Terrarium Habitats

(B) identify, predict, and test uses of heat to cause change such as melting and evaporation;

Appropriate GEMS Teacher's Guides: Involving Dissolving

(C) demonstrate a change in the motion of an object by giving the object a push or a pull; and

Appropriate GEMS Teacher's Guides: None at this time.

(D) observe, measure, and record changes in weather, the night sky, and seasons.

Appropriate GEMS Teacher's Guides: None at this time.

(8) Science concepts. The student distinguishes between living organisms and nonliving objects. The student is expected to:

(A) identify characteristics of living organisms; and

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Buzzing a Hive, On Sandy Shores, Terrarium Habitats

(B) identify characteristics of nonliving objects.

Appropriate GEMS Teacher's Guides: Liquid Explorations, On Sandy Shores, Sifting Through Science

(9) Science concepts. The student knows that living organisms have basic needs. The student is expected to:

(A) identify the external characteristics of different kinds of plants and animals that allow their needs to be met; and

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Buzzing a Hive, On Sandy Shores, Terrarium Habitats

(B) compare and give examples of the ways living organisms depend on each other and on their environments.

Appropriate GEMS Teacher's Guides: Aquatic Habitats, Buzzing a Hive, On Sandy Shores, Terrarium Habitats

(10) Science concepts. The student knows that the natural world includes rocks, soil, water, and gases of the atmosphere. The student is expected to:

(A) describe and illustrate the water cycle; and


Appropriate GEMS Teacher's Guides: None at this time.

(B) identify uses of natural resources.


Appropriate GEMS Teacher's Guides: Investigating Artifacts, On Sandy Shores

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