matter that has the property of being broken into smaller pieces easily
What is brittle or brittleness ?
100
have the properties of metals and non metals
What is metalloids ?
100
a pure substance that is composed of the same type of matter throughout and cannot be divided into simpler substances through normal processes
What is element
100
preventive safety equipment used to protect your hands during a lab investigation
What are gloves?
200
the ability to reflect light
What is luster?
200
a black element that is dull, brittle, has no magnetism, conductivity, malleability or ductility
What is carbon?
200
metalloids are considered __________ conductors because their conductivity depends on other substances
What is semi
200
substances that have the physical properties of luster, conductivity, malleability, ductility and usually appear as a solid even though they can exists in all three states
What is metals
200
A pieces of emergency equipment used to suffocate a fire and to smother a fire if a person's clothes are on fire
What is fire blanket?
300
the ability or power to conduct heat, sound, or electricity
What is conductivity?
300
a yellow element that is extremely brittle
What is sulfur?
300
you find metalloids mostly used in __________ and electrical devices.
What is technology
300
the three states or phases of matter are
What is solids. liquids and gases
300
a set of spectacles used to protect a scientist eyes
What are goggles ?
400
the ability to produce sound
What is sonorous ?
400
substances that are dull, insulators, and brittle may appear in all three states
What is non-metal
400
Name an element that is a metalloid
What is tellurium, silicon,
astatine, arsenic, germanium, polonium, antimony, or arsenic
400
elements that have the properties of metals and non-metals. they are sometimes called semi-conductors
What is a metalloid ?
400
a piece of emergency equipment used to put out small fire quickly in the science laboratory. The fire is extinguished.
What is a fire extinguisher?
500
the ability of matter to be rolled or pounded into thin sheets
What is ductility?
500
the opposite of no luster dull in
What is shiny and has luster
500
What type of technology might contain a metalloid in your home?
What is tv, cell phone, microwave etc....
500
a measure of how much matter is in a certain volume
What is density?
500
a set of rules and procedures used in a science lab to prevent harm.