Grade 3 Science TEKS Standards

TEKS 3.6A

Physical Properties of Matter

Measure, test, and record physical properties of matter, including temperature, mass, magnetism, and the ability to sink or float in water

4 lessons · 12 worksheets

TEKS 3.6B

Classify Matter

Describe and classify samples of matter as solids, liquids, and gases and demonstrate that solids have a definite shape and that liquids and gases take the shape of their container

1 lesson · 6 worksheets

TEKS 3.6C

Changes in States of Matter

Predict, observe, and record changes in the state of matter caused by heating or cooling in a variety of substances such as ice becoming liquid water, condensation forming on the outside of a glass, or liquid water being heated to the point of becoming water vapor (gas)

1 lesson · 6 worksheets

TEKS 3.6D

Combining Materials

Demonstrate that materials can be combined based on their physical properties to create or modify objects such as building a tower or adding clay to sand to make a stronger brick and justify the selection of materials based on their physical properties

1 lesson · 6 worksheets

TEKS 3.7A

Forces on Objects

Demonstrate and describe forces acting on an object in contact or at a distance, including magnetism, gravity, and pushes and pulls

3 lessons · 10 worksheets

TEKS 3.7B

Position and Motion Changes

Plan and conduct a descriptive investigation to demonstrate and explain how position and motion can be changed by pushing and pulling objects such as swings, balls, and wagons

10 worksheets

TEKS 3.8A

Everyday Examples of Energy

Identify everyday examples of energy, including light, sound, thermal, and mechanical

4 lessons · 15 worksheets

TEKS 3.8B

Speed and Mechanical Energy

Plan and conduct investigations that demonstrate how the speed of an object is related to its mechanical energy

1 lesson

TEKS 3.9A

Orbits of Sun, Earth, Moon

Construct models and explain the orbits of the Sun, Earth, and Moon in relation to each other

1 lesson · 8 worksheets

TEKS 3.9B

Order of Planets

Identify the order of the planets in Earth's solar system in relation to the Sun

1 lesson · 8 worksheets

TEKS 3.10A

Compare Daily Weather

Compare and describe day-to-day weather in different locations at the same time, including air temperature, wind direction, and precipitation

1 lesson · 6 worksheets

TEKS 3.10B

Formation of Soils

Investigate and explain how soils such as sand and clay are formed by weathering of rock and by decomposition of plant and animal remains

1 lesson · 6 worksheets

TEKS 3.10C

Rapid Earth Surface Changes

Model and describe rapid changes in Earth's surface such as volcanic eruptions, earthquakes, and landslides

3 lessons · 10 worksheets

TEKS 3.11A

Human Use of Natural Resources

Explore and explain how humans use natural resources such as in construction, in agriculture, in transportation, and to make products

1 lesson

TEKS 3.11B

Importance of Conservation

Explain why the conservation of natural resources is important

1 lesson

TEKS 3.11C

Conserve Natural Resources

Identify ways to conserve natural resources through reducing, reusing, or recycling

1 lesson

TEKS 3.12A

Temperature and Precipitation Effects

Explain how temperature and precipitation affect animal growth and behavior through migration and hibernation and plant responses through dormancy

2 lessons

TEKS 3.12B

Energy Flow in Food Chains

Identify and describe the flow of energy in a food chain and predict how changes in a food chain such as removal of frogs from a pond or bees from a field affect the ecosystem

2 lessons

TEKS 3.12C

Environmental Changes and Organisms

Describe how natural changes to the environment such as floods and droughts cause some organisms to thrive and others to perish or move to new locations

1 lesson

TEKS 3.12D

Fossils as Evidence

Identify fossils as evidence of past living organisms and environments, including common Texas fossils

1 lesson

TEKS 3.13A

Animal Structures and Survival

Explore and explain how external structures and functions of animals such as the neck of a giraffe or webbed feet on a duck enable them to survive in their environment

1 lesson

TEKS 3.13B

Compare Life Cycles

Explore, illustrate, and compare life cycles in organisms such as beetles, crickets, radishes, or lima beans

2 lessons