77

Lesson 77 of 84 ยท Earth Systems

Lessonโญ 30 XP๐ŸŒ‹ Rock Realm

Types of Rocks: Metamorphic (Part 3)

๐ŸงชLab Brief #77

Earth Systems.

๐ŸŽฏ Your mission

Master the concept. Use it tomorrow.

โšก The twist

Today's mountain was yesterday's ocean floor.

๐Ÿคฏ

Mind = Blown

๐ŸŒ‹ There are 1,500 active volcanoes on Earth right now.

๐Ÿ”ฎ

Make a hypothesis first

Guess: where will the water go first?

What You'll Learn

The carbon cycle describes how carbon moves through atmosphere, biosphere, oceans, and rocks. Human activities like burning fossil fuels add extra carbon to the atmosphere.

Key Words

  • precipitation
  • weathering
  • erosion

Steps

Step 1 โ€” Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 โ€” Do

Create a timeline of Earth's history on a 5-meter strip of paper. Place major events (first life, dinosaurs, ice ages, humans) at the correct scale.

Step 3 โ€” Observe

Note any unexpected results and think about why they happened.

Step 4 โ€” Record

Share your findings with the class or a partner and discuss what you learned.

Check Your Understanding

Question 1

1 of 3

How do fossils form?

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.

๐ŸŒฑShare card

Share this experiment

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 4th Grade

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

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