48

Lesson 48 of 84 ยท Earth Systems

Experimentโญ 30 XP๐ŸŒ‹ Rock Realm

Fossils: Clues to the Past (Part 2)

๐ŸงชLab Brief #48

Earth Systems.

๐ŸŽฏ Your mission

Run the experiment. Find out what really happens.

โšก The twist

Weather isn't random โ€” it's just complicated.

๐Ÿคฏ

Mind = Blown

๐ŸŒŠ The deepest part of the ocean is deeper than Mount Everest is tall.

๐Ÿ”ฎ

Make a hypothesis first

Before you observe: what shape will it leave?

What You'll Learn

Fossils are preserved remains or traces of ancient organisms. They form when organisms are buried in sediment that hardens into rock over millions of years.

Key Words

  • igneous
  • metamorphic
  • sedimentary

Materials Needed

  • rocks
  • sand
  • clay
  • water

Safety First

  • Clean up spills immediately to prevent slipping.
  • Use materials only as directed in the experiment.

Steps

Step 1 โ€” Read

Read the introduction and identify the main idea of this lesson.

Step 2 โ€” Do

Set up a weather station: use a thermometer, rain gauge (a jar with a ruler), and wind sock (a plastic bag on a stick). Record data for one week.

Step 3 โ€” Observe

Compare the before and after states.

Step 4 โ€” Record

Write your conclusion: did the results match your hypothesis? What would you change next time?

Check Your Understanding

Question 1

1 of 3

Which layer of Earth is the thinnest?

๐ŸŒ

Where you see this in real life

This is shaping the ground you walk on, slowly, every single day.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Find a rock outside and try to guess how old it is.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œWhat's the slowest change you can think of?โ€

๐ŸŽฏ

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

๐ŸŒShare card

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Send it to a parent who's looking for a 10-minute kitchen science win.

๐Ÿ–จ๏ธ

Checkout complete lesson on Earth Systems for 8th Grade

Get the full Earth Systems track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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