Scientific Method States of Matter Changes of Matter Scientific Tools
100
What is a hypothesis?
An educated guess.
100
What is an item that has a specific shape?
A solid.
100
What is a physical change?
When an item changes shape or size.
100
What tool is used to measure the temperature?
Thermometer
200
What do you use to make observations?
Your 5 senses.
200
What is a liquid?
An item that takes shape of a container.
200
What is a chemical change?
When the substance changes completely.
200
What tool is used to measure volume?
A graduated cylinder
300
The boy did not take a shower.
Observation
300
What do the molecules of a gas look like?
They can move around freely.
300
What is needed to change a solid to a liquid?
An increase in heat.
300
What tool is used to measure mass?
A balance scale
400
What is an experiment?
The steps you follow to answer a question.
400
What is matter?
Anything that has mas and takes up space.
400
What does a liquid undergo to turn into a gas?
Boiling point
400
What tool is used to measure length?
A ruler
500
Which step of the scientific process asks a question that you are trying to find?
A problem.
500
What is it called when you use your five senses to observe an item?
qualitative observation
500
What is breaking glass considered?
A physical change.
500
What unit is used when using a balance scale?
Grams (g).






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