Classifying Materials

1. What's everything made of at its tiniest parts?

• Tiny particles
• Space objects
• Different shapes
• animals

2. Can you name five different groups of stuff we use every day?

• toast, grass, animals, flowers

• Fish, birds, dogs, cats, frogs
• Metal, wood, plastic, paper, glass
• Sun, moon, stars, planets, clouds

3. What does the word "property" mean in science?

• A special word
• A big building
• A way a material behaves

• A thing you own

4. Tell us what makes solids, liquids, and gases different from each other.

• Solids are hard, liquids flow, gases float
• Solids are colorful, liquids are slimy, gases are loud
• Solids are hot, liquids are cold, gases are smelly
• Solids are soft, liquids are heavy, gases are sharp

6. Which one - solid, liquid, or gas - do you think has the most heat energy?

• Solid
• Liquid
• Gas
• They're all the same

7. Give five examples of when things change from one kind of stuff to another, like ice turning into water.

• Melting (solid to liquid), freezing (liquid to solid), evaporation (liquid to gas), condensation (gas to liquid), sublimation (solid to gas)
• Jumping, spinning, melting, shouting, sleeping
• Mixing, hiding, flying, growing, shrinking
• Eating, drinking, running, swimming, singing

8. How come gases push on the inside of a closed box?

• They bounce off
• They disappear
• They turn into light
• They push

9. Explain what happens when something spreads out in the air. Like when you smell cookies baking!

• When things move around slowly
• When things stick together
• When things spread out
• When things get heavy

10. What's an element? And do you know how many different ones we have in the Periodic Table?

• A tiny building block
• A big building block
• A special word
• A secret code

11. In the Periodic Table, what's a "group"?

• A group of friends
• A row of houses
• A team of superheroes
• A column of elements