The Greatest Column Ever
Mr. Wise is the greatest
Doesn't the First Column Mean that I am a Column?
The worst column ever
Corny Young Bull
100

What is a substance? Give a SPECIFIC example.

Everything. H, water, sucrose. Literally everything you can touch is a substance

100

True or false: A chemical reaction always occurs when substances combine?

False!

100

Which of the following statements is true about mixtures?

a. They can be separated into their components

b. Components present in them are chemically combined

c. Mixtures can be called pure substances.

D. There is only one type of mixtures.

A

100

What elements are in NaHCO3

Sodium, Hydrogen, Carbon

100

How is the periodic table organized by rows?

By mass (weight)

200

What is a single element? Give a SPECIFIC example.

H, C, Ca, Cl...

200

What is the difference between CO and Co?

CO is Carbon and oxygen. Co is cobalt

200

Which of the following is an example of a chemical reaction?

  • Water evaporating
  • Wood burning
  • Ice cream melting
  • Face blushing

Wood burning 

200

Which is true?

Is every substance an element? Is every element a substance?

Every element is a substance 

200

How are the columns of the periodic table organized?

By chemical properties

300

What is a compound? Give a SPECIFIC example.


Two or more elements in a particle or substance. H2O, NaCl...

300

How many elements are in this: C12H22O11

3

300

Why are elements considered the building blocks of all compounds?

  • Elements can change into liquids and gases
  • Elements can change into smaller elements. 
  • Elements can combine to create different substances.
  • Elements can combine to create different substances.
300

What does "pure substance" mean?

Made up of only one kind of atom.

300

If leaf color change is related to temperature, then exposing plants to low temperatures will result in changes in leaf color. 

Independent variable – 

Dependent variable -

Independent variable – low temperatures

Dependent variable - change in leaf color

400

Evidence that a chemical reaction has occurred is.

Bubbling, color change, temperature change, new substances formed.

400

How many atoms are in this: C12H22O11

45

400

The smallest particle of a compound that still has the properties of that compound is called:

a. An atom

b. A mixture 

c. A solution

d. A molecule


An atom

400

What is a particle?

Individual pieces of matter that are too small to see.

400

If photosynthesis is related to light energy, then the portions of a leaf shaded from light will test negative for starch, since starch is a product of photosynthesis. 

Independent variable – 

Dependent variable -

Independent variable: shaded portions of a leaf

Dependent variable: no starch

500

What is a chemical reaction?


When starting substances change into new, different substances.

500

Which is the: chemical formula? chemical name? common name?

sodium bicarbonate, baking soda, NaHCO3

500

After a chemical reaction occurs in an open test tube, measurements indicate that the mass of the reactants is greater than the mass of the products remaining in the test tube.  What most likely explains the measurements?

  • A solid was produced.
  • The salinity of the reactants was high. 
  • A gas was produced.
  • The temperature of the reactants was low.

A gas was produced

500

What is volume?

The amount of space an object or substance occupies

500

If hatching of brine shrimp is related to salinity (or temperature), then the greater the salt concentration, the higher the hatching rate. 

Independent variable -

Dependent variable -

Independent variable - the salinity of the water

Dependent variable - hatching

M
e
n
u