General Info
Scientific Method
Math Skills
Scientific Notation
Miscellaneous
100
The study of the composition, properties, and reactions of matter is
Chemistry
100
Is the following statement an observation, hypothesis, an experiment, or a conclusion?
One hour after drinking a glass of regular milk, Jim experienced stomach cramps.
observation
100
In the number below,
3451.678
Which number is in the tenths place?
6
100
True or False: the coefficient for scientific notation is between zero and ten.
FALSE! It is a number that is at least 1 and less than 10
100
A professional who analyzes body fluids and works in crime laboratories is known as a:
Forensic Scientist
200
A substance that is always the same composition and properties wherever it is found is known as a
Chemical
200
Is the following statement an observation, hypothesis, an experiment, or a conclusion?
Sally thinks she may be allergic to shrimp.
hypothesis
200
Solve for x:
2x + 7 = x + 10
x = 3
200
What is the standard number for this value?
4.56 x 10-5
0.0000456
200
Is methyl salicylate used for strengthening enamel or for the minty taste of toothpaste?
Minty taste
300
Which major branch of chemistry would be most concerned with studying the reactions of a class of compounds called ethers (ex: CH3OCH3 )?
Organic Chemistry
300
What are the four overall steps to the scientific method?
Make observations --> Form a hypothesis --> Design Experiments --> Draw a conclusion
300
Solve for x:
(3 xx (-4x) + 32)/(2) = -4x
x = 8
300
What is the correct scientific notation for the following number:
567,000
5.67 x 105
300
What element has the symbol W?
Tungsten
400
Which major branch of chemistry would be most concerned with researching the chemical reactions that take place during the digestion of certain foods?
Biochemistry
400
Is the following statement an observation, hypothesis, an experiment, or a conclusion?
Lucia wants to develop a process for dyeing shirts so that the color will not fade when the shirt is washed. She proceeds with the following:
a. Lucia notices that the dye in a design fades when the shirt is washed.
b. She places a spot of dye on each of four shirts and then places each one separately in water, salt water, vinegar, and baking soda and water.
a. observation
b. experiment
400
At a local hospital, 35 babies were born in May. If 22 babies were boys, what percentage of newborns were boys? Round to the ones place.
63%
400
What is the standard number for the following:
4.35678 x 103
4356.78
400
What type of lab equipment is below?
Graduated Cylinder
500
Which major branch of chemistry would be most concerned with studying a series of chemical reactions in order to measure the amount of heat being released in each one?
Physical
500
Is the following statement an observation, hypothesis, an experiment, or a conclusion?
a. If I stop drinking coffee in the afternoon, I will be able to sleep at night.
b. I sleep better at night because I stopped drinking caffeinated drinks.
a. hypothesis
b. conclusion
500
Use the graph below to answer the questions
a. What is measured on the horizontal axis?
b. What is the range of values on the horizontal axis?
c. How many hours were needed to reach a temperature of 28 °C?
d. The coroner measured Gloria’s body temperature at 9 p.m. as 34 °C. What was the time of her death?
a. time since death in hours
b. 0-25 hours
c. 15 hours
d. 4 pm
500
What is the scientific notation for the following number?
0.0000000000235
2.35 x 10-11
500
What piece of lab equipment is shown below?
Erlenmeyer Flask