Changes in Matter

Grade 3 Science Worksheet - Building Confidence

Circle the answer.

1. 1.

   An ice cube is left in a warm room. What happens to it?

   • it turns into water vapor at once
   • it melts into liquid water
   • it gets colder and harder
2. 2.

   Water in a tray is put in a freezer. What does it become?

   • water vapor
   • warm water
   • solid ice
3. 3.

   A puddle is gone after a sunny afternoon. Where did the water go?

   • it turned into soil
   • it froze into ice
   • it evaporated into the air
4. 4.

   Drops form on the outside of a cold glass of lemonade. Where did the drops come from?

   • the ice melting inside
   • lemonade leaking through the glass
   • water vapor in the air
5. 5.

   Which change happens when liquid water gets very cold?

   • freezing
   • evaporating
   • melting
6. 6.

   Which change happens when snow gets warm?

   • condensing
   • freezing
   • melting
7. 7.

   Melted ice can be frozen again. What kind of change is melting?

   • not a change at all
   • a change that can be undone
   • a change that can never be undone
8. 8.

   Lightning starts a fire that burns a log to ash. Can the ash turn back into a log?

   • yes, by adding water
   • yes, by cooling the ash
   • no, burning cannot be undone
9. 9.

   Wet clothes on a line dry in the sun. What happened to the water?

   • it evaporated
   • it melted
   • it froze
10. 10.

    Which change needs heat?

    • juice turning into an ice pop
    • water freezing into ice
    • chocolate melting in a hot car