20

Lesson 20 of 84 · Light

Experiment30 XP Spark Lab

Starting an Investigation

🧪Lab Brief #20

Starting an Investigation.

🎯 Your mission

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

⚡ The twist

Energy never disappears — it just hides somewhere else.

🤯

Mind = Blown

⚡ Static electricity is the same physics as lightning, just smaller.

🔮

Make a hypothesis first

Before you start: which will move faster, and why?

What You'll Learn

An investigation is a careful study to answer a question. What would you like to investigate?

Key Words

Tap a word to see its definition.

Materials Needed

  • straws
  • paper clips
  • rubber bands

Safety First

  • Do not taste any materials.

Steps

Step 1Read

Talk about what you already know about Light.

Step 2Do

Design a container that keeps an ice cube from melting for as long as possible.

Step 3Observe

Compare what happened to what you predicted.

Step 4Record

Tell the class one thing you learned today.

Check Your Understanding

Question 1

1 of 3

Why do scientists compare things?

🌍

Where you see this in real life

This is why airplanes can fly and why rockets reach space.

🏆

Stretch Challenge

Try this in real life this week.

This week, find one thing in your house that turns one kind of energy into another.

👨‍👩‍👧

For the dinner table

Show me something at home that uses this kind of energy.

🎯

Next Smart Experiment

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

💧Share card

Share this experiment

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

🖨️

Checkout complete lesson on Light for 2nd Grade

Get the full Light track as a printable PDF — 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

Starting an Investigation — Light | 2nd Grade Science | LittleActivity