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Topic 18 How stone, fossil fuels and landforms are made — what needs James (36)

32 question types · 4 lessons. Tap a button on each card; the ruling goes to the build and the card shows it as ruled.

Question types

Question types (32 to rule on) →

The lessons (4)

Each lesson in teaching order: its one-line summary, the article, the script and the quiz, then your ruling.

Topic 18 · Lesson 1 · Video / article words: 149 / 372 · Quiz items: 8 · Figures: 9

Lesson 1 How loose sediment turns into stone

Grade 4's three steps recalled; layers pile up; the weight of the layers above presses the layer thinner; water trickling between the grains leaves tiny bits behind that glue them into stone; thousands and thousands of years

Topic 18 · Lesson 2 · Video / article words: 150 / 408 · Quiz items: 9 · Figures: 4

Lesson 2 How coal, oil and natural gas were made

Sadie's dinosaur claim answered by the fern print; swamp plants buried by mud, pressed, heated, changed into coal over millions of years; tiny sea living things the same way into oil and natural gas; "fossil fuels" and why they are nonrenewable, in Grade 4's words

Topic 18 · Lesson 3 · Video / article words: 150 / 434 · Quiz items: 10 · Figures: 7

Lesson 3 Match a landform to its maker: wind, water or ice

One frame on four real places: ice carved Yosemite's wide U-shaped valley; moving water carved the Grand Canyon and built the Mississippi's delta; the wind built the Great Sand Dunes; landform, canyon, delta and sand dune coined; the table; the rule

Topic 18 · Lesson 4 · Video / article words: 150 / 426 · Quiz items: 9 · Figures: 7

Lesson 4 Predict the landform: keep the maker working for a very long time

Four time cards: sliding ice → a wide U-shaped valley; a river cutting down → a canyon (Ruby's one-big-flood belief answered: the river is still there, still carving); a river dropping sand at the sea → a delta that grows every year; wind → dunes that move; the park stream's channel becomes a deep valley

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