Vocabulary
What is anything that takes up space?
Matter
What should you do if you break a science tool?
Tell the teacher.
What are the three states of matter?
Solid, liquid, and gas
What is relative density?
The ability to sink or float.
Liquid changes into a solid?
Freezing
What is the ability to attract certain metals?
Magnetism
True or False
When you use a hot plate, you can touch it only if you turn it off and unplug it?
False
It could still be hot.
Tell me about solids?
They have a definite shape, particles are tight together, does not take the shape of its container
Mass is measured in what units?
Grams
Solid changes into a liquid?
Melting
What is called when you have a mixture of substances that are blended to completely that the mixture look the same throughout?
Solution
What tool do you use to measure temperature?
Thermometer
Tell me about liquids?
No definite shape, take the shape of their containers, particles can move past each other, ability to flow
One thermometer shows 2 degrees Celsius. Another shows 7 degrees Celsius. What is the difference between the two temperatures?
5 degrees Celsius
Liquid changes to a gas?
Evaporation or vaporization
What is the ability to sink or float called?
Relative Density
What is a tool that attracts iron?
Magnet
Tell me about gasses.
No definite shape, take the shape of their container, can escape because particles move freely
If an object is more dense than water, it will ______?
sink
Gas changes into a liquid?
Condensation
What is the physical law that states that matter is neither created nor destroyed during a physical or chemical change?
Conservation of Matter
A student puts 2 apples and 1 banana on opposite sides of a pan balance. If the pan balance remains straight, what does that mean?
If the pan balance is even, then the masses are the same.
How are liquids and gasses similar?
They both do not have their own shapes and take the shapes of their containers.
Mention 4 physical properties of matter.
Color, Shape, Texture, Odor, Taste, Temperature, Magnetism, Weight, Mass, Hardness, density, state of matter, etc.
A physical change where one substance seems to completely disappear into another.
Dissolving