Define density.
The amount of matter/particles compacted in an item.
This material is conductive, can be pulled into a wire, and shiny. Metal, nonmetal, metalloid?
A Metal.
A physcial change is a change in _____.
State/State of matter
What is the volume of the battery?
Volume=5ml
What are the three main states of matter?
Solid, Liquid, & Gas
Define ductile.
The ability to be pulled into a thin wire.
EX: Copper
A student has a material and identified that is a light brown solid, that does not conduct electricity, and is not malleable or ductile. Metal, nonmetal, or metalloid?
A Nonmetal
The formula for density is ______.
Density=Mass/Volume
or D=M/V
I have a cereal box with a length of 7cm, a width of 5cm, and a height of 11cm. What is the volume of the cereal box?
V=385cm3
The 5 senses (sight, sound, taste, texture, smell)
Define Malleable.
Can be pounded into thin sheets.
EX: Aluminum or Gold
I have a piece of material that has a metallic luster, is a semiconductor, and brittle to the touch. Metal, nonmetal, or metalloid?
A metalloid.
The unit used when measuring Mass is _____, and the unit used when measuring Volume is _____ or ______.
Grams, ml, cm3
Calculate the density for a box of cookies that have a mass of 250g and the volume of 10cm3.
D=25g/cm3
What are the units used for Desity?
g/mL or g/cm3
Define Luster.
The amount of light an object reflects (how shiny something is).
Below is a table of four different samples and their physical properties. Of the four samples, which is the nonmetal?
Sample 1
If something transfers heat/electricity it is a ______. If something stops heat/electricity it is an _________.
Conductor, Insulator
I have a cube that is 5cm across on one side, and its mass is 13g. What is the density of my cube?
D=0.10g/cm3
What is the name of the principal used to calculate the volume of an irregular object?
Archimedes' Principal
Define Brittle
Easy to break (fragile)
Ms.K has a piece of material that has a greasy luster, is a good conductor of heat, but not electricity, is malleable, and a solid at room temperature. Is her material a metal, nonmetal, or a metalloid?
A metalloid.
If an object floats in water then its density is _____ than water. If an object sinks in water then its density is ____ than water.
Lighter/less. Heavier/greater.
I am calculating the density of a mineral I picked up in a hike. The mass of the mineral is 15.5g. Use the image below to calculate its volume, then calculate the density.
Density=3.1g/ml
Matter is defined as?
Anything that takes up space.