60

Lesson 60 of 84 ยท Spacetime

Experimentโญ 30 XP๐Ÿš€ Starbase

The Frog Life Cycle (Part 2)

๐ŸงชLab Brief #60

Spacetime.

๐ŸŽฏ Your mission

Predict it first. Then prove yourself right (or wrong).

โšก The twist

The light you see now started its trip a long time ago.

๐Ÿคฏ

Mind = Blown

๐ŸŒŒ If you could drive a car straight up at highway speed, you'd reach space in under an hour.

๐Ÿ”ฎ

Make a hypothesis first

Guess: how big does that look from here vs. from there?

What You'll Learn

The life cycle of a frog includes egg, tadpole, tadpole with legs, froglet, and adult frog. This process of metamorphosis takes several weeks to months depending on the species.

Key Words

Tap a word to see its definition.

Materials Needed

  • cups
  • water
  • plastic wrap

Safety First

  • Clean up spills immediately to prevent slipping.
  • Use materials only as directed in the experiment.
  • Keep small objects away from young children.

Steps

Step 1 โ€” Read

Review the background information on Spacetime before starting.

Step 2 โ€” Do

Dissect a flower (lily or tulip works well). Identify and label the sepals, petals, stamen, pistil, and ovary. Tape each part to paper.

Step 3 โ€” Observe

Draw a detailed diagram of what you observe.

Step 4 โ€” Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What are the stages of a butterfly's life cycle in order?

๐ŸŒ

Where you see this in real life

Every sunrise and every shadow is this idea in action.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Look at the moon tonight. Notice its shape. Look again in 3 days.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œIf you could visit any planet, which would you pick and why?โ€

๐ŸŽฏ

Next Smart Experiment

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

๐Ÿฆ 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 Spacetime for 9th Grade

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

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The Frog Life Cycle (Part 2) โ€” Spacetime | 9th Grade Science | LittleActivity | LittleActivity