Vocabulary
When it is necessary to smell chemicals in the lab, the proper technique is to cup your hand above the container and ...?
waft
In science what do we call when we are examining the rational justification of our moral judgements of what is right or wrong, just or unjust?
Ethics
What is another word for to perform or to carry out?
Ex: We have carried out an experiment.
conduct
In science what do we call a cup with a wide mouth?
beaker
In science a material or fabric is called?
subtance
What is another word in science to the word break down such as when solid becomes liquid?
For example: Sugar broke down in a glass of hot water.
dissolve
What are the seven properties in science?
physical properties, chemical properties, weight, mass, volume, density and bouyance.
The amount of matter present in an object is called a...?
It refers to atoms and molecules.
mass
What do we call a substance that dissolves especially in water?
soluble
What do we call when a substance diffuses or suspends in the air?
vapor
The amount of mass in a certain volume of matter is called...?
It is how much space an object or substance takes up.
density
Controlled systematic investigations that are rooted in objective reality & that aim to develop general knowledge about natural phenomena.
scientific method
_________ involves all the measures taken by the laboratory worker, laboratory owner, institution and regulatory agencies to eliminate potential harm to human health and well-being.
Lab safety
It is a system of measurement that uses the meter, liter, and gram as base units of length (distance), capacity (volume), and weight (mass).
metric system
It is a small, long plastic cylinder with one open end used to store, mix, or hold liquids, bodily fluids, bacteria, or chemicals.
test tubes
It is a laboratory equipment used to hold upright multiple test tubes at the same time.
test tube rack
The amount of space that a substance or object occupies is called _______?
volume
It is a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
laboratory
A _______ is any one of the elements of the test which could be changed. They can change the outcome of an experiment.
variable
What is another word for tiny piece, spot, dot etc in science?
particle
It is a substance which speeds up a chemical reaction.
catalyst
It is a common piece of laboratory equipment used to measure the volume of a liquid.
graduated cylinder
an assumption or prediction of an idea that is proposed for the sake of argument so that it can be tested to see if it might be true.
hypothesis
It is the quality, condition, or fact of being exact and accurate.
precision
to state or assert that something is the case, typically without providing evidence or proof.
claim