Describing Matter
Matter can be described as a solid, liquid and a gas.
What are the three states of matter?
All matter has ______________ and ____________.
What is mass and volume?
Which is the correct equation for calculating density?
a. Density = mass/volume
b. Density = mass/weight
c. Density = volume/mass
d. Density = volume/weight
What is A, Density = Mass/Volume?
What is a physical change?
This is the name of the rows that go from left to right on the periodic table of elements.
Bonus point - How many are there?
What are periods?
Which of the following changes demonstrates a chemical property?
a. Substance breaks in half
b. Substance combusts
c. Hammer bounces off surface
d. Substance floats in water
What is B, substance combusts?
The ability to do something, or change something is called _______________.
What is chemical property?
What is the density of an object whose mass is 180 grams and whose volume is 45cm(cubed):
a. 4cm(cubed)/g
b. 4g/cm(cubed)
c. 0.25g/cm(cubed)
d. 0.25cm(cubed)/g
What is B, 4g/cm(cubed)?
What is chemical change?
This is the name of the columns that go from top to bottom the periodic table of elements.
Bonus point - How many are there?
What is group?
Bonus point - do you know how many there are?
Which of the following is a solution?
a. Salt water
b. Macaroni and cheese
c. Cake mix
d. Vegetable soup
What is A, salt water?
A characteristic that can be observed without changing the matter into another matter is called a __________________.
What is physical property?
Weight is a flawed measure of mass because it
a. is not used in other countries
b. is effected by the force of gravity
c. tends to fluctuate
d. can be influenced by temperature and pressure
What is B, is effected by the force of gravity?
Most changes occur with the addition or subtraction of this ______________.
What is heat?
Name the scientist who first organized the elements.
Who is Dmitri Mendeleev?
Which of the following is a substance: table salt, seawater or sand?
Explain to me why?
Bonus points explain why the other two are NOT!
What is table salt?
Why?
Why are the other two not?
In this type of mixture it is difficult or near impossible to see the different parts.
What is homogenous mixture?
The amount of space that matter occupies is called _____________.
What is volume?
__________ is the study of matter and the changes in matter.
What is chemistry?
The one or two letter name of the element is called its ___________?
Bonus point - Tell me 5 you know!
What is chemical symbol?
Give me three examples of each:
a. element
b. compound
c. heterogenous mixture
d. homogenous mixture
Answers will vary.
Need 12 answers!
A bowl of nuts is an example of this type of mixture? Why?
What is a heterogenous mixture?
Tell me why!
Where would you weigh less on the earth or moon, and why?
What is you would weigh less on the moon cause there is less gravitational pull on you the moon?
Give me:
2 examples of physical changes & 2 examples of chemical changes.
What are, answers will vary.
Need 4 answers for full credit.
The periodic table is a chart showing all the elements arranged according to the ________________ _______________ of their properties.
What is repeating pattern?