What is the unit of measure for mass?
gram
If a substance has a large mass and a small volume, what can you conclude about it?
It is very dense
The reason water drops stay together.
What is strong attraction/cohesion.
The curve in the liquid you are measuring in a graduated cylinder.
What is the meniscus?
What is the smallest unit of matter that retains the properties of an element?
atom
What do you use to find the volume of a regularly shaped object?
ruler and calculator
Which has greater density: water or oil?
What is water?
Measures how much"stuff" is packed into a space.
What is density?
What is the density of water?
What is the density of water?1.0 g/mL or 1.0 g/cm3
What is a pure substance made of only one type of atom?
A pure substance made of only one type of atom.
Why do we use water displacement?
find the volume of an irregularly shaped object.
What do you use a graduated cylinder for?
To measure volume
Does Coke, Pepsi, A & W Rootbeer, Sink or Float and WHY!
They sink because they are more dense than water.
The volume of a solid that is 4cm x 6cm x 7 cm.
What is 168 cm3?
Homozygous or heterozygous mixture? (CHEX MIX)
heterozygous
If an object is less dense than water, what happens to it?
the object floats.
the amount of matter in an object.
What is mass?
Which metal would sink faster and why?
Metal A (Iron): 7.87 g/cm3
Metal B (Gold) : 19.32 g/cm3
The amount of space that a substance or object occupies is called:
What is volume?
What is a substance made up of two or more elements chemically combined in a fixed ratio?
compound
What vocabulary word is confused with weight?
What is mass?
What is the formula for volume of a regularly shaped object?
length x width x height.
If a graduated cylinder was 200 g and the cylinder was 225 g with the object, what is the mass of the object?
25 g
Where are elements located?
Periodic Table of Elements