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Chemistry and Characteristics of Life

Total questions: 70

Worksheet time: 49mins

Name
Class
Date
1.

Which of the following is the best description of an element?

a)

A substance that cannot be broken down into simpler substances.

b)

A naturally occurring mineral made of more than one substance.

c)

A small particle made with a specific chemical composition.

d)

A collection of atoms that have different abilities when joined together.

2.

Provided is a list of five different substances.

NaOH     Cu    H2O     N2    H2

How many of these substances are elements?

a)

2

b)

3

c)

4

d)

5

3.

How many elements are in the compound Fe2O3?

a)

0

b)

1

c)

2

d)

3

4.

Hydrogen is considered an element, while hydrogen peroxide is considered a compound. This is because hydrogen peroxide is...

a)

is used for cleaning wounds.

b)

made of two different elements.

c)

is a liquid.

d)

useful to human beings.

5.

Which of the following is a compound?

a)

Si

b)

CO2

c)

Cl

d)

He

e)

Ti

6.

How many elements are there in CuSO4?

a)

1

b)

2

c)

3

d)

4

e)

5

7.
What element does C stands for?
a)
cat
b)
calcium
c)
carbon
d)
crypton
8.
Is NaCl (table salt) a Organic or Inorganic Compound?
a)
Inorganic
b)
Organic
9.
The compound CHO is...
a)
inorganic
b)
organic
10.
The four organic compounds found in living things are?
a)
Carbohydrates, Lipids, Nucleic Acids, and Oxygen
b)
Carbohydrates, Lipids, Proteins, and Carbon
c)
Carbohydrates, Lipids, Proteins, Nucleic Acids
d)
Carbon, Lipids, Proteins, Nucleic Acids
11.
Which compound is inorganic?
a)
Glucose (C₆H₁₂O₆)
b)
Ethane (C₂H₆)
c)
Carbon Dioxide (CO₂)
d)
Stearic Acid (C₁₈H₃₆O₂)
12.
Cpompound Function:  to provide energy, can be broken doen into sugars
a)
Lipids
b)
Proteins
c)
Nucleic Acids
d)
Carbohydrates
13.
The 4 macromolecules are
a)
vitamins, lipids, water, micronutrients
b)
micronutrients, macronutrients, water, vitamins
c)
Lipids, Waxes, Vitamin A, Water
d)
Carbohydrates, Lipids, Proteins, Nucleic Acids
14.
What is correct function for a carb? 
a)
build and repair body tissues
b)
body's main source of energy
c)
helps keep immune system functioning
d)
cushions organs
15.

What are the 3 subatomic particles of an atom?

a)

shell, proton, electron

b)

cloud, neutrons, protons

c)

nucleus, protons, electrons

d)

protons, neutrons, electrons

16.

Value representing the number of protons in an element

a)

Atomic Number

b)

Valence Electrons

c)

Mass Number

17.

Which particle has a positive electrical charge?

a)

proton

b)

neutron

c)

electron

18.

Which particles make up the nucleus of an atom? (you can choose more than one answers)

a)

proton

b)

electron

c)

neutron

19.

Which of these has a negative charge?

a)

Proton

b)

Neutron

c)

Electron

d)

Oatmeal

20.

Which charge does a proton have?

a)

Neutral

b)

Negative

c)

No charge- battery is dead

d)

Positive

21.

Neutrons have a ____________ charge.

a)

Neutral, or no charge

b)

Positive

c)

Negative

d)

Neutron? I don't know what that is!

22.

True or false: Atoms make up everything around you.

a)

True

b)

False

23.
Which two particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Molecules and Compounds
d)
Neutrons and Electrons
24.

The negatively charged particles in an atom

a)

Proton

b)

Electron

c)

Neutron

d)

Electron Cloud

25.
GOLD
a)
Al
b)
Ag
c)
Ar
d)
Au
26.
CARBON
a)
C
b)
Ca
c)
Cl
d)
Cu
27.
COPPER
a)
C
b)
Ca
c)
Cu
d)
Cl
28.
SILICON
a)
S
b)
Si
c)
Su
d)
Sc
29.
SODIUM
a)
S
b)
So
c)
N
d)
Na
30.
IRON
a)
I
b)
Ir
c)
F
d)
Fe
31.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
32.
Foods that are high in the organic compound "Carbohydrates"
a)
Meats, beans, seeds/nuts, eggs
b)
Bread, candy, crackers, potatoes
c)
Cheese, butter, milk, and cereal
d)
Sausage, Eggs, Pancakes & syrup
33.

Carbohydrates and proteins are considered

a)

Organic

b)

In-organic (not organic)

c)

organic and inorganic

d)

none of the above

34.
Water is what type of compound?
a)
organic
b)
inorganic
c)
toxic
35.
A living or once-living organisms in an ecosystem is a
a)
population
b)
biotic factor
c)
abiotic factor
d)
community
36.

Bio means _________.

a)

non-living

b)

not/without

c)

life

d)

bacteria

37.

All nonliving things in an ecosystem are ____________

a)

None

b)

biotic factors

c)

abiotic factors

38.
Is a weather an abiotic or biotic factor? 
a)
abiotic
b)
biotic
39.

Is air considered abiotic or biotic?

a)

Abiotic

b)

biotic

c)

neither

40.
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.
a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
41.
A camel has eyelashes that work to keep the dust and sand out of its eyes.
a)
All living things adapt to their environment
b)
All living things grow
c)
All living things have cells
d)
All living things use energy
42.
Over three years, Tim's height has increased from 5'4" to 5'11".
a)
All living things contain cells
b)
All living things maintain homeostasis
c)
All living things use energy
d)
All living things grow
43.
The roots of a plant grow towards a source of ground water.
a)
All living things use energy
b)
All living things reproduce
c)
All living things respond to their environment
d)
All living things grow
44.

Living things are made up of units called

a)

DNA

b)

Cells

c)

Homeostasis

d)

Seeds

45.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
46.
The basic unit of structure and function in the human body is the....
a)
organ
b)
organ system
c)
cell
d)
tissue
47.
A group of similar cells that come together to perform a specific function is a/an
a)
organ
b)
organism
c)
organ system
d)
tissue
48.
When many organ systems work together it can form...
a)
organ
b)
cells
c)
organ system
d)
organism 
49.
Which is an example of an organism?
a)
a beetle
b)
a lake
c)
a rock
d)
a shell
50.

Which of the following is an abiotic factor?

a)

tree

b)

butterfly

c)

mushroom

d)

protein

51.

Any living thing ...

a)

is an abiotic factor.

b)

meets 7 of the characteristics of life.

c)

contains DNA.

d)

moves.

52.
When a baby kitten becomes an adult cat, this is an example of...
a)
energy metabolism
b)
growth and development
c)
response to stimuli
d)
having cells
53.

A _____ is something in the environment that causes an organism to respond.

a)

stimulus

b)

response

c)

cause

d)

effect

54.

Maintaining a stable internal environment is called

a)

homeostasis

b)

equilibrium

c)

balance

d)

evenness

55.

When observing a specimen using the high-powered objective (40x), what is the total magnification that the specimen is being observed?

a)

400X

b)

40X

c)

100X

d)

4000X

56.

How should a microscope be transported?

a)

by the arm and the base

b)

arm

c)

base

d)

by the cord

57.

Which of the following elements must be present in any organic compound? Choose all that applies (multiple answers)

a)

Carbon

b)

Oxygen

c)

Potassium

d)

Hydrogen

58.

Fats, oils, waxes, cholesterol, hormones

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

59.
Which of the following elements is required in an organic compound?
a)
nitrogen
b)
oxygen
c)
carbon
d)
sodium
60.
Compound Function: Build organelles, build body parts, and helps with body defense
a)
Proteins
b)
Carbohydrates
c)
Nucleic Acids
d)
Lipids
61.
Cpompound Function:  to provide energy, can be broken doen into sugars
a)
Lipids
b)
Proteins
c)
Nucleic Acids
d)
Carbohydrates
62.
Compound Function: store long term energy
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
63.
Compound Function: Store genetic information
a)
Carbohydrates
b)
Lipids
c)
Nucleic Acids
d)
Proteins
64.

What is an independent variable?

a)

What a scientist changes in an experiment to test their hypothesis

b)

What scientist measure to see if it responded to a change

c)

What happens when you do an experiment

d)

What you keep the same throughout all experimental groups

65.

What is an dependent variable?

a)

What a scientist changes in an experiment to test their hypothesis

b)

What scientist measure to see if it responded to a change

c)

What happens when you do an experiment

d)

What you keep the same throughout all experimental groups

66.

A qualitative observation is ________.

a)

Describing qualities and characteristics

b)

A guess you make using an observation

c)

Numbers and labels

d)

What is kept the same in an experiment

67.

What is a quantitative observation?

a)

Describes qualities and characteristics

b)

A guess you make using an observation

c)

Numbers and labels

d)

What is kept the same in an experiment

68.

What is the first step in the scientific method?

a)

Form a hypothesis

b)

Make an observation and ask a question about it

c)

Research your topic

d)

Record and analyze data

69.

The biomolecule that holds an organism's genetic information is called ___________.

a)

carbohydrate

b)

lipid

c)

nucleic acid

d)

protein

70.

It helps you run, jump, and play well.

a)

Body-building foods

b)

Body-regulating foods

c)

Energy-giving foods

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