The Density Archive
Calculate density and use a proportional mass-volume model without overclaiming material identity. Use supplied fictional data in a four-page package.
Grade 9 · 40 min · 4 pages
$4 USD
BROWSE BY SUBJECT
Science
Evidence, models, energy, and scientific inquiry.
Buy any 3, get 1 free. Buy any 4, get 2 free.
Build a bundleChoose any 4 lessons for $12 or any 6 for $16. Mix subjects and formats. The best combination applies to larger carts.
Follow the Energy Budget
Calculate efficiency and account for transfers without describing energy as destroyed. Use supplied fictional data in a four-page package.
Grade 10 · 40 min · 4 pages
$4 USD
Read the Half-Life Model
Use an exponential decay model and distinguish deterministic predictions from random simulation outcomes. Use supplied fictional data in a four-page package.
Grade 11 · 40 min · 4 pages
$4 USD
Check the Collision Model
Apply momentum conservation and compare kinetic energy in a perfectly inelastic collision. Use supplied fictional data in a four-page package.
Grade 12 · 40 min · 4 pages
$4 USD
Every package includes teacher guidance, student activities, and an answer key or scoring guide. Suggested grade ranges do not certify complete course or standards coverage.