Mighty Mass Worksheet
Science Explorer • Grade 1–2
Mighty Mass Worksheet
Name:
Date:
What is Mass?
Everything in our world is made of matter (the "stuff" inside an object). Mass is simply how much stuff is inside!
● More matter = More Mass (feels heavier) ● Less matter = Less Mass (feels lighter)
1
Mass Matchup: Circle the object with MORE mass!
Think about which has more "stuff" packed inside
Set A
🍎 Fresh Apple Snack fruit
🍉 Watermelon Picnic melon
Set B
🚌 School Bus Metal & engine
🚲 Bicycle Light frame
Set C • Detective Trick!
🏖️ Beach Ball Big, filled with air
🎳 Bowling Ball Solid heavy plastic
Set D
📦 Empty Box Only cardboard
📚 Box of Books Packed with paper
2
Detective Check: Is it True or False?
A
A giant rock has more mass than a dry tree leaf.
True False
B
Mass tells us how much matter (stuff) is inside an object.
True False
C
Something very big always has more mass than something small.
True False
Remember: Mass is the amount of matter. It does not change if you move the object!
Page 1 of 2
Science Explorer • Lab Practice
Balance Scale Detective
Name:
⚖️ Balance Scale
How does a balance scale work?
The side with MORE MASS is pulled down by gravity and tips DOWN. The side with LESS MASS goes UP. If both sides have the same mass, the scale stays FLAT & LEVEL!
3
Scale Puzzles: What will happen?
Fill in or circle the right answer
Scale #1
🪨 🪶
Heavy Rock vs. Feather
Which side sinks DOWN?
Rock Feather
Scale #2
🧱 🧱
2 Matching Blocks
The scale is perfectly flat:
Same mass (equal) Different mass
Scale #3
🎈 🪙
Balloon vs. Metal Coin
Which has MORE mass?
Balloon Coin
4
Mass Explorer: Find and draw 2 objects in your room!
Object with LESS Mass (Light) Draw inside
Object Name:
Object with MORE Mass (Heavy) Draw inside
Object Name:
Detective Brain Challenge:
1 sentence answer
If you roll a ball of playdough into a snake, does the amount of matter (mass) change? Why or why not?
🎉 Great Job! You are an official Matter & Mass Detective. Page 2 of 2
