NEW
Font size
S
M
L
XL
WorksheetsAndre.Miller(all review)
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
What is an Unintended Consequence?
a)
An unforeseen outcome that can be good or bad, but not intended
b)
An unforeseen outcome that is negative.
c)
An intended benefit
d)
An unforeseen outcome that is positive
2.
What is the main reason to maintain biodiversity?
a)
Protect food crops from diseases
b)
Conserve the variety of life within their ecosystems
c)
Provide useful material and economic benefits to society.
d)
All of the Above
3.
What is experimental error?
a)
Bias involved in the experiment for personal gain.
b)
Completing the wrong experiment
c)
The difference in the accuracy and precision in an experiment relating to the true measurements/values compared to someone's measurements and values in the experiment
d)
The measure of someoneone's experiment compared to another
4.
What is adaptive bio-engineered technology?
a)
Technology that assists an organisms, but does not change it permanently.
b)
Technology the helps an organism, but changes it permanently.
c)
Technology which can adapt to the environment in anganism using artificial tissue, organs, etc.
d)
Technology that changes an organisms, but does not permanentyl change it.
5.
All matter consists of?
a)
Cells
b)
Mass
c)
Metals
d)
Atoms
6.
What element family is very nonreactive,does not form salts, all are nonmetals, and and occupy the last column of the periodic table?
a)
Halogens
b)
Noble gases
c)
Representative elements
d)
Nonmetals
7.
What do you call objects that can not be seen with the naked eye?
a)
Tiny
b)
Atoms
c)
Microscopic
d)
Cells
8.
What is the formula for Density?
a)
Gravity/Mass
b)
Mass/Gravity
c)
Volume/Mass
d)
Mass/Volume
9.
What is the law of Conservation of Mass?
a)
Matter can neither be created nor destroyed, but can only change from from one form to another.
b)
Matter can be created and destroy and can change form from one to another.
c)
Mass must stay the same in a balanced chemical equation.
d)
The law, which states mass must be conserved at all times.
10.
How do you measure the volume of a regular object.(cube and Rectangle)
a)
Graduated cylinder
b)
L X W X H
c)
(pi X r^2) x H)/3
d)
L X W X H X 3
11.
Protons have a ______ charge? Neutrons have a ______ charge? Electrons have a ______ charge?
a)
Neutral, Positive, negative
b)
Positive, Neutral, Neutral
c)
Positive, Negative, Negative
d)
Positive, Neutral, Negative
12.
What is the Independent variable?
a)
The outcome of the experiment .
b)
The variable group that is being controlled.
c)
The variable being tested.
d)
The variable which changes depending on other variables.
13.
What group of elements is essential to life?
a)
Nonmetals
b)
Metals
c)
Metalloids
d)
Alkaline Earth Metals
14.
What is the difference between an element and a compound?
a)
An element has one kind of atom, while a compound has two or more kinds of atoms.
b)
An element is a pure substance, while a compound is not.
c)
An element has one kind of atom, while a compound is a mixture.
d)
They are the same.
15.
Acids are usually _______? Bases are usually _______?
a)
cleaning materials, food
b)
red, pink
c)
food, cleaning materials
d)
painful, acidic
16.
Balance the following Equation
a)
1:5:4:3
b)
2:10:8:6
c)
1:4:4:3
d)
3:15:12:9
17.
A base combined with an acid of the same strength ______________.
a)
creates a salt
b)
creates water
c)
creates a salt and water
d)
Thye create a hybrid
18.
What two groups make up the scientific name of an animal. (put in order)
a)
Species, Genus
b)
Genus, Species
c)
Family, class
d)
order, class
19.
What metals are magnets?
a)
Iron
b)
Nickel
c)
Cobalt
d)
All of the AB
20.
According to the picture which bird is W?
a)
Certhidea
b)
Carmarhynchus
c)
Geospiza
d)
Platyspiza
Reset
