42

Lesson 42 of 84 ยท Earth Systems

Experimentโญ 30 XP๐ŸŒ‹ Rock Realm

Types of Rocks: Metamorphic (Part 2)

๐ŸงชLab Brief #42

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

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

  • sediment
  • fossil
  • mineral

Materials Needed

  • plastic tray
  • magnifying glass
  • newspaper
  • spray bottle

Safety First

  • Do not look directly at the sun or bright lights.
  • Clean up spills immediately to prevent slipping.
  • Use materials only as directed in the experiment.

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.

๐ŸŒShare 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 8th Grade

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

View in Shop

Your Cart (0)

Your cart is empty

Browse our shop to find activities your kids will love

Types of Rocks: Metamorphic (Part 2) โ€” Earth Systems | 8th Grade Science | LittleActivity | LittleActivity