WorksheetsChemistry I
Total questions: 25
Worksheet time: 33mins
Explain in your own words how chemistry is a part of your daily life? Use 4-5 complete sentences.
Choose the three common states of matter:
solid
liquid
gas
technology
This is an example of a
physical change
chemical change
The fibers in your clothing are made up of __________ that are either natural or synthetic.
physical
chemicals
none of these choices
What does microscopic refer to?
This block of ice is melting. This is an example of a
physical change
chemical change
Name all four pieces of evidences that occur in a chemical change.
An object's _______ is the space the objects occupies.
volume
pressure
temperature
mass
True or false. Mass is the same thing as weight.
true
false
According to your book, what terms can we use to describe matter qualitatively?
Practice Problem. Please convert 0.765 g to kg. Show all of your work on a blank sheet of paper.
Practice problem. Please convert 34.2 mg to g. Show all of your work on a blank sheet of paper.
Which of the following lengths is the shortest, and which is the longest: 1583 cm, 0.0128 km, 17 931 mm, and 14 m?
What formula is used to calculate density?
D = m / V
D = v / m
D = a / v
D = m^2
A block of lead, with dimensions 2.0 dm × 8.0 cm × 35 mm,has a mass of 6.356 kg. Calculate the density of lead in g/cm3.
What part of the scientific method is this an example of?
What is the difference between a theory and a law?
A law is a fact, and a theory is not
They are both the same
A law can be experimented and found to have different results, in a theory you can no longer experiment on
A theory is something that is known as facts
Explain the statement “No theory is written in stone”.
Write a hypothesis of your own.
Suppose you had to test how well two types of soap work. Describe your experiment by using the terms control and variable.
The following statement is true about models
Models are not important in science
A model is very complicated when demonstrating the actual thing
Models are intended to help you understand what is happening in an object, system, a process, or an idea.
