Show:
~Properties of Matter~
~Elements~
~Metals, Nonmetals, and Metalloids~
~Properties of Matter 2~
~Elements 2~
100
What is mass?
Mass is the amount of matter in an object.
100
What is an element?
An element is a material that cannot be broken down into anything simpler by chemical reactions.
100
What is malleability?
Malleability is the ability to be bent, flattened, or hammered without breaking.
100
A volume of 1 cm3 equals __ ___.
A volume of 1 cm3 equals 1 mL.
100
What are molecules?
Molecules are particleswith more than one atom joined together.
200
What is weight?
Weight is how strongly gravity pulls on an object.
200
What are metals?
Metals are elements that share common properties such as shiny luster, conductivity, and flexibility.
200
What is ductility?
Ductility is the ability to be pulled into thin wires without breaking.
200
What is matter?
Matter is anything that has mass and volume.
200
About how many percent of an animal's body is water?
About 60 percent of an animal's body is water.
300
What is weight measured in?
Weight measured in newtons (N).
300
Some elements have properties between metals and nonmetals, they are called _________.
Some elements have properties between metals and nonmetals, they are called metalloids.
300
What is corrosion?
Corrosion is when metals combine with nonmetals from the environment.
300
What is density?
Density is the amount of mass for each cm3 of a substance.
300
A single hydrogen atom is only _______________ meters across.
A single hydrogen atom is only 0.0000000001 meters across.
400
How many pounds is one newton equal in the English system?
One newton is equal to 0.225 pounds in the English system.
400
Today, scientists know of just over _____ elements with different properties.
Today, scientists know of just over 112 elements with different properties.
400
What is a semiconductor?
A semiconductor is a material that conducts electricity better than anonmetal, but not as well as a metal.
400
What is buoyancy?
Buoyancy is the resistance to sinkng.
400
Each element is made of ____ type of atom.
Each element is made of one type of atom.
500
What dous volume measure?
Volume measures how much space matter takes up.
500
What dous magnesium add to fireworks.
Magnesium adds brightness to fireworks.
500
Where dous the Statue of Liberty get it's green color from?
The Statue of Liberty get it's green color from corroded copper.
500
What dous the density of an object depend on?
The density of an object depends on the type of material.
500
What are plants and animals mainly made of?
Plants and animals are mainly made of carbon, hydrogen, and oxygen.