Which is an acceptable way to protect your eyes in the chemistry laboratory?
By wearing chemical safety goggles or by avoiding the handling of harmful chemicals
Who transformed chemistry from a science of observation to a science of measurement?
Antoine Lavoiser
What is the scientific term for a statement that is not necessarily true, but can be tested and evaluated by an experiment?
Hypothesis
What is biochemistry?
Using chemistry to study the subject of life.
Which statement is a scientific hypothesis?
A. The salt in the shaker has white, cube-shaped crystals.
B. This soup will taste better if more salt is added to it.
C. More salt will dissolve in this beaker of water if it is heated
D. The balance shows that the mass of the salt in the flask is 156.3 grams.
C
Which of these symbols would you find as part of the instructions for all investigations in a chemistry lab?
A.
B.
C.
D.
What is an advantage of the Internet as a source of scientific information compared to scientific journals?
A. Information from the Internet is readily available.
B. Because scientific journals are written for scientists, the content is more difficult to read than content on the Internet.
C. Information from the Internet is more likely to be reliable.
D. Because information in scientific journals has been reviewed by other scientists, the results presented are more likely to be biased.
A
Which of these medical advances occurred as a result of the discovery of DNA?
A. Artificial joints for knees and hips
B. Arthroscopic surgery techniques
C Mass production of insulin
D. Widespread vaccination
C
How did Lavoisier advance the development of chemistry as a science?
He emphasized measurement over observation in chemical investigations.
What is chemistry?
the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances
DAILY DOUBLE
What is analytical chemistry?
The chemistry that focuses on the inside of an object. Such as what makes up certain structures and other compounds.
What is the scientific term for a statement that is not necessarily true, but can be tested and evaluated by an experiment?
Hypothesis
Chemistry is the study of ___________ and all living and nonliving things are made of _____________.
Matter; Matter
A student has calculated an answer to a numeric problem in chemistry. What step or group of steps should the student do next?
A bowl of breakfast cereal, milk, and fruit is an example of what kind of matter?
Heterogenous Mixture
Daily Quadruple
Workers digging a tunnel through a city find some ancient pots decorated with geometric designs. To analyze the pots, which of the following tasks would be most useful to assign to a chemist?
Find what the pots are made up of.
What is organic chemistry?
the study of matter in direct relation to the element Carbon.
How might a chemist help in eating a puffer fish?
Puffer fish can be toxic to humans if ingested.
What is physical chemistry?
The study of chemistry that deals with the outside characteristics of particular reactions, properties and observations using the senses.
Why does chemistry affect all aspects of life and most natural events?
Because chemistry is the study of matter, and all living and non living things are made up of matter.
What was the name of this particular object?
Erlenmeyer Flask
Fume Hood
Pipette
Punishment Box
Your team just lost 500 points.
What is inorganic chemistry?
The branch of chemistry that involves not using Carbon.