Passage
Grades 3–5
What Is Energy Transfer
physical science · NGSS 4-PS3-2
$1.50
K–8 Science
Science, fully NGSS-aligned
Life, physical and earth science — investigations, readings and assessments tagged to NGSS performance expectations.
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Standards-aligned science built on the NGSS — browse by topic across Weather & Climate, Physical, Life, and Earth Science.
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Passage
Grades 3–7
What is Solar Radiation
earth and space science · MS-ESS1-1
Free
Passage
Grades 1–3
Kit Fox
life science · RI.3.1+2
Free
Passage
Grades 3–5
How Animals Use Their Senses
life science · NGSS 4-LS1-2
$1.50
Passage
Grades 1–3
Turtle Sense of Hearing
life science · RI.2.1+1
Free
Passage
Grades 3–5
What Is Nervous System
life science · NGSS 4-LS1-2+2
$1.50
Passage
Grades 1–3
The Thorny Devil
life science · RI.3.1+2
Free
Passage
Grades 1–3
Fennec Fox
life science · RI.3.1+2
Free
Passage
Grades 3–5
What Is a Collision
physical science · NGSS 4-PS3-3
$1.50
Interactive
Grades 1–5
Animal Senses and Survival Responses
science
$1.50
Passage
Grades 3–5
How Circuits Convert Energy
physical science · NGSS 4-PS3-2
$1.50
Passage
Grade 6
How Land and Water Heat Differently
weather and climate · MS-ESS2-6
$1.50
Passage
Grade 6
How Scientists Classify Living Things
life science
$1.50
Passage
Grades 3–8
The Orangutan
life science · MS-LS4-D+1
Free
Worksheet
Grades 4–5
Describing Weather
reading informational text · ESS3.D+3
Free
Passage
Grades K–2
Warmth from the Sun
science · K-PS3-1+1
Free
Passage
Grades 3–8
Where is the Adriatic Sea
earth and space science
Free
Passage
Grades 5–8
The Cell Cycle
life science · MS-LS1-4
$1.50
Passage
Grades 5–8
Solids, Liquids, and Gases
physical science · MS-PS1-4
$1.50
Worksheet
Grade 6
Reading in Science: Energy Transformations
physical science · TEKS 6.8B+2
$1.50
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