States & Models of Matter
In which state of matter are the particles moving the fastest?
What is a gas?
Making a paper airplane or melting an ice cube are examples of this type of change.
What is a Physical Change?
The amount of mass per unit of volume is a definition of the word _________.
What is density?
Color, odor, and texture are all examples of physical ________.
What are physical properties?
When you view something with your naked eye, you are seeing it at this view.
What is the Macro view (Macroscopic)?
If you zoom into a block using a particle model, how would the particles be arranged?
What is tightly packed together in a fixed structure (Solid)?
Burning wood or baking cupcakes are examples of this type of change.
What is a Chemical Change?
When particles are more closely packed together in an object, what can you conclude about its density?
What is it is more dense?
If you can observe a characteristic of matter without changing it into a new substance, what type of property is it?
What is a physical property?
When you view something using a tool like a microscope to see details invisible to the naked eye, you are seeing it at this view.
What is the Micro view (Microscopic)?
Describe particle spacing and movement when you zoom into a liquid like lemonade.
What is close together but able to slide past one another?
When a brand-new substance is created, it must be a ________ _________.
What is a chemical change?
If Liquid A floats on top of Liquid B, which liquid has a higher density?
What is Liquid B?
Give two examples of physical properties other than color or texture.
What are mass, volume, density, size, shape, or state of matter?
Is looking at a wooden desk directly an example of a macro view or a micro view?
What is a Macro view?
Describe how particles are arranged and move when you zoom into the inside of a balloon filled with helium.
What is spread far apart and moving around freely?
If a change alters the form or appearance of matter without creating a new substance, what type of change has occurred?
What is a physical change?
When multiple liquids are poured into a cup and form separate layers, how do they order themselves from bottom to top?
What is highest density (bottom) to lowest density (top)?
Describe the difference between a physical property and a physical change.
What is a property is an observable characteristic, while a change is an action that alters (changes) the appearance?
Observing individual molecules arranged tightly together in solid ice is an example of which view?
What is a Micro view?
True or False: A solid is always more dense than a liquid.
What is False? (example: ice floats on water)
Name two indicators (signs) that a chemical change has occurred.
Possible answers:
What is...
creation of a new substance?
production of heat, light, or sound?
a reaction between 2 or more substances?
Does the order in which you pour determine how liquids layer themselves in a density column? Explain why or why not.
What is, no, they always layer themselves based on density.
How does heating up gas inside a balloon affect the movement and spacing of its particles?
What is the particles move faster and spread further apart?
Why do scientists use micro views to study states of matter?
What is to observe particle arrangement and motion that cannot be seen with the naked eye?