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Vocabulary
State of Matter
Measuring and Comparing
Properties
Heat and Matter
Inquiry Skills
100
Mass
What is the amount of space that matter takes up?
100
State of matter that makes up the Earth's atmosphere.
What is an example of a gas?
100
Which of the following is not a physical property of wood? -Ability to burn -Shape -Mass -Texture
Ability to burn
100
What happens to particals when a substance is heated?
The particals vibrate and move faster.
100
You put a cold stick of butter in a pan on the oven. Soon the butter is a bubbling liquid. What cause the butter to change?
The heat from the oven caused the butter to melt.
200
Change of State
What is it called when a change is made, for example, from a solid to liquid?
200
Compare and contrast a solid and a liquid.
A liquid and a solid always take up the same amount of space. But a solid always has the same shape, while a liquid doesn't.
200
What are most wires made of because they conduct electricity well?
Copper
200
When thermal energy is added to ice, what happens?
The ice melts.
200
Paper burns. Is that a physical property? Why or why not?
No; burning paper changes it into ash and a gas. The paper is no longer paper.
300
Heat
What is the flow of thermal energy?
300
What do the following have in common: ice on a pond, a bar of soap, and an airplane.
They are all solids.
300
What is one important electrical property?
Whether something conducts electricity
300
What is most likely to happen to an object that is being cooled?
The object contracts.
300
A penny is round. Is that a property of the penny or a property of the metal?
It is a property of the penny.
400
Volume
What is the amount of matter in an object?
400
All three states have ________ and take up _______.
Mass; Space
400
An object has a mass of 8 grams and a volume of 4 cubic centimeters. What is its density?
2 g/cm3
400
What causes changes of state?
The addition or removal of thermal energy.
400
Supporse that you find the density of three equal-sized balls. If the density of one ball is twice that of the other two, what conclusion can you draw about its mass?
The mass of the denser ball must be greater. Its mass is twice that of the other two balls.
500
Density
What do you find when you divide the mass of one unit by the volume of a substance?
500
A liquids shape _________ to match its container.
changes
500
Sarah has 1 kilogram of gravel and 1 kilogram of foam. Which has the greater volume?
The foam, because it is less dense than gravel.
500
When you look closely at a street you see many cracks. What has happened to cause the street to crack.
During hotter days, the street's particals are moving faster which causes the street to expand and crack.
500
You measure the boiling temperature of three clear liquids. One of them boils at 100 degrees Celcius. The other two boil at 85 degrees Celcius and 115 degrees Celcius. How can you use numbers to identify the first liquid?
It's probably water, water is clear and boils at 100 degrees Celcius.