Lab Safety
Observation and Inference
Physical Properties of Elements
Minerals Properties
Measurement and Density
100
This is what is used to protect your eyes from chemicals and other flying objects in the lab.
What are goggles
100
While on a field trip students spotted 2 morning doves in a nest on the ground.
What is and observation
100
There are more of these kinds of elements than the other two groups in the periodic table.
What is a metal
100
We can identify its true color by using this simple test.
What is the streak test?
100
A student was using a triple beam balance; what units will he use when writing his answer?
What is grams?
200
This is what a student should do immediately after glassware is broken in the lab room.
What is tell the teacher or instructor?
200
The graduated cylinder has 33 ml of vinegar.
What is an observation
200
The ability to be pulled into thin wire.
What is ductile
200
He is the geologists that arranged minerals according to their ability to be scratched.
Who is Fredrick Moh
200
This is the best way to find the volume of an irregular object.
What is the water displacement method?
300
They include long hair, loose clothing, food, backpacks and books on the lab table,
What is things you should not have in the science lab.
300
The thundering sound I heard outside is probably caused by an airplane taking off at the airport.
What is an inference
300
They are know to be brittle, poor conductors, and dull in luster
What is a non-metal
300
The way minerals can reflect light is this property
What is luster?
300
What two properties of an substance must we know in order to calculate its density?
What is mass and volume?
400
The way a student smells the odor of chemicals by waving his hand over the beaker.
What is wafting
400
The clogged sink was caused by students dropping something thick like sand or dirt in it.
What is inference
400
Their properties include high luster, good conductors, and can be bent and shaped into different forms.
What is a metal
400
Of the following properties which is the least reliable; luster, streak, color, hardness
What is color
400
A student has a rock with a mass of 25 grams and a volume of 5 ml, its density must be;
What is 5 g/ml?
500
When heating a test tube which has chemicals in it, a student should always
What is point it away from everyone
500
When you see lightning there will always be thunder.
What is an inference
500
These elements can conduct sometimes, have poor luster at times, some are easily broken while others can be bent.
What is a metalloid
500
These are known as the softest and hardest minerals.
What is talc and diamond?
500
A teacher poured different liquids with different densities into a graduated cylinder. How will the liquids react?
What is the more dense liquids will settle to the bottom with the less dense toward the top.
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