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Water Displacement
Density
Density 2
Pure Substances
Challenge Question
100
What is volume?
What is the amount of space an object takes up
100
What is density?
What is a comparison of how much matter there is in a certain amount of space
100
Ella has a pen with a mass of 27 g and a volume of 3 cm3. What is the density?
What is 9 g/cm3
100
How do you find the boiling point of water?
What is use a thermometer
100
Does the amount of a pure substance change its properties?
What is no. It will stay the same.
200
What does water displacement mean?
What is the water level in a container moves up when an object is dropped in
200
What is the formula for density?
What is mass/volume
200
If two objects have the same mass and volume, how will their densities compare?
What is they will be the same
200
What is a pure substance?
What is a substance made up of only one kind of matter, it has a unique set of properties
200
What are 2 examples of a pure substance?
What is gold, water, sugar, carbon, etc.
300
What do you need to find the volume of an object using water displacement?
What is graduated cylinder, water, object
300
What are the units for density?
What is g and cm3
300
When two objects have the same mass, will the smaller or larger object have more density?
What is smaller object
300
When a substance hits its boiling point, what starts to happen?
What is evaporation
300
Which liquid has the highest density: oil, syrup, water?
What is syrup
400
In order to see how much the water was displaced, you need to look at the ____________ on _______ _________
What is meniscus, eye level
400
Gianna has a calculator with a mass of 54 g and a volume of 9 cm3. What is the density?
What is 6 g/cm3
400
In a bottle of honey, water, and oil, which substance will be on the bottom?
What is honey because it is more dense
400
What word means the ability of a substance to dissolve in another substance?
What is solubility
400
Why do large pots of water and small pots of water have the same boiling point?
What is the pure substance is still water, so the boiling point (no matter how much water there is) will always be 212 degrees Fahrenheit.
500
Once you drop the object into the water, how do you find the volume?
What is subtract the starting measurement from the ending measurement
500
What unit do you use to measure the volume of liquids? The volume of solids?
What is mL and cm3
500
When two solid objects have the same volume, will the lighter or heavier one be more dense?
What is the heavier one
500
What are the 4 characteristics used to classify pure substances?
What is density, solubility, boiling point, freezing/melting point
500
How can you identify a pure substance?
What is test its density, solubility, boiling point, melting/freezing point -- and then compare it with substances you are familiar with