Mix two or more objects together to make something new.
Combine
What materials would you use to fill a swimming pool? (concrete, water, air, wood)?
Water
Filling a balloon with sand will cause it to (sink, float, dance)
Sink
What materials would you use to build a house? (water, air, wood, glass)
Wood
Filling a ballon with air will cause it to (float, sink, dance)
Float
A trait or feature of an object you can observe.
Property
How can you test the hardness of an object? (scratch it, smell it, taste it)
Scratch it
Anything that has weight or takes up space.
Matter
To change something back to the way it was.
Reversible
Squeezing juice from an orange (reversible, irreversible)
Irreversible
State of matter that has its own shape
Solid
Mixing cake batter (reversible, irreversible)
irreversible
Freezing apple juice (reversible, irreversible)
reversible
What's the difference between the two soaps in the picture?
One is a solid, the other is liquid.
What caused the balloon to fill up during the science lab?
Carbon Dioxide
The use of an object (solid, property, purpose)
Purpose
What do you use to measure temperature?
Thermometer
Cutting paper (reversible, irreversible)
irreversible
The state of matter you cannot see.
Gas (water vapor)
Heating or boiling a liquid will change it to a (solid, gas)
Gas
What property would you use to describe an apple? (round, bumpy, soft, sharp)
Round
What are the three states of matter?
Solid, liquid, and gas
Folding paper (reversible, irreversible)
Reversible
To put the pieces of something together (combine, assemble, property)
Assemble
A change that cannot be undone.
Irreversible
How can you change liquid matter?
By heating or cooling it
How can you change a liquid to a solid?
Freeze it
__________ are chosen because of their properties (gases, materials, objects)
Materials
What makes a hammer useful? (flexible, soft, hard, floats)
Hard
States of matter that do not have their own shape.
Gas and liquid