A substance that spreads out to fill any space (like air).
Gas
Something that is not done well or needs improvement.
Weakness
Something that is done well or is strong.
Strength
A substance that can flow and takes the shape of its container (like water).
Liquid
A substance that keeps its shape and is firm (like a rock).
Solid
When a solid mixes into a liquid and seems to disappear (like sugar in water).
Dissolve
A planned way of doing something.
Method
To make something clear by giving details.
Explain
Something you notice using your senses (see, hear, touch, smell).
Observations
When something becomes different.
Change
The amount of space something takes up.
Volume
Tools or things you use to do a task or experiment.
Equipment
A standard way to measure something (like metres for length or litres for volume)
Unit of Measurement
To look at two or more things to see how they are the same and different.
Compare
Things that can change in an experiment (like what you test, what you measure, or what you keep the same)
Variables
A type of material or matter that something is made of.
Substance
Very exact and accurate, with no mistakes or guessing.
Precise
The best or most effective way to do something, based on what works well.
Practice
A series of steps taken to do something.
Process
Something that comes after something else.
Subsequent
Getting something back after it has been lost or mixed (like getting salt back from salty water).
Recovering
The final idea or decision you make after thinking about information or an experiment.
Conclusion
Information you collect, especially during an experiment.
Data
The curved surface at the top of a liquid in a container.
Meniscus
Small, evenly spaced marks on a tool (like a ruler or measuring cup) that show numbers going up step by step.
Graduations