Texas TEKS 2.1.D
The Standard
use tools, including hand lenses, goggles, heat-resistant gloves, trays, cups, bowls, beakers, notebooks, stream tables, soil, sand, gravel, flowering plants, student thermometer, demonstration thermometer, rain gauge, flashlights, ramps, balls, spinning tops, drums, tuning forks, sandpaper, wax paper, items that are flexible, non-flexible items, magnets, hot plate, aluminum foil, Sun-Moon-Earth model, and frog and butterfly life cycle models to observe, measure, test, and compare
Texas Essential Knowledge and Skills for Science
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students choose and safely use tools to observe, measure, test, and compare objects or materials. They record what each tool helps them find.
What Mastery Looks Like
- Students select a suitable tool without guessing, such as a thermometer for temperature or a hand lens for small details. They use it correctly and report a clear comparison.
Common Misconceptions
- Students may think any tool can answer any question. They may confuse a description with a measurement, misread a thermometer scale, or record what they expected instead of observed.
How to Assess It
- Set out two cups of water, a hand lens, a student thermometer, and a notebook. Ask students to record one measurement, one observation, and one comparison.
Lesson moves
Ways to Teach It
Place soil, sand, and gravel in trays, then have students use hand lenses and cups to observe, sort, and compare them.
Ask students to write which tool they would use to study a flowering plant and explain what that tool would reveal.
Play a tool-match game where students pair question cards, such as measuring temperature, with hand lenses, thermometers, rain gauges, or rulers.
Place a rain gauge and thermometer outside, then have students record daily readings and give a short weather report.
Free download
Printable 2.1.D Worksheet
A ready-to-print activity worksheet aligned to 2.1.D, with an answer key for the teacher on its own page. No account needed.
PDF, US Letter, prints cleanly in black and white.
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Related Standards
- 5.1.D
use tools, including calculators, microscopes, hand lenses, metric rulers, Celsius thermometers, prisms, concave and convex lenses, laser pointers, mirrors, dig...
- 1.1.D
use tools, including hand lenses, goggles, heat-resistant gloves, trays, cups, bowls, beakers, sieves/sifters, tweezers, primary balance, notebooks, terrariums,...
- K.1.D
use tools, including hand lenses, goggles, trays, cups, bowls, sieves or sifters, notebooks, terrariums, aquariums, samples (rocks, sand, soil, loam, gravel, cl...
- 3.1.D
use tools, including hand lenses; metric rulers; Celsius thermometers; wind vanes; rain gauges; graduated cylinders; beakers; digital scales; hot plates; meter ...
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