Matter
What is matter?
Anything that has mass and takes up space.
What is the melting point of ice?
0 degrees and higher.
What is water's boiling point?
100 degrees.
What is the freezing point of water?
What are the three phases of matter?
Solid, liquid, gas.
When ice melts, it goes from a _______ to a ______.
Solid to liquid.
When water reaches it's boiling point, it goes from a ____ to a _____.
Liquid to a gas.
When water reaches it's freezing point, it goes from a _____ to a ______.
Liquid to solid.
True or False. Are dreams matter?
False. They do not have mass or take up physical space.
What is room temperature?
20 degrees.
Do all liquids have the same boiling point? Explain.
No, all liquids have a different boiling point.
Why doesn't windshield wiper fluid freeze?
It contains methanol that has a freezing point of -96 degrees.
Can matter change states? If so, how?
Yes, matter can change states by increasing or decreasing the temperature.
Do all solids have the same melting point? Explain.
No, every solid has a different melting point.
What is the boiling point of mercury?
357 degrees.
Why is it dangerous when the weather falls below 0?
Ice forms on roads and sidewalks which can be slippery.
Give me an example of a solid, liquid, and gas.
Answers will vary.
What must be added for solid to reach it's melting point?
Heat.
Why should you boil fresh water from rivers/streams before drinking it?
To kill dangerous bacteria, viruses, and parasites.
Do all liquids have the same freezing point? Explain.
No, all liquids have different freezing points.