wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Chemilevlorgenecology

Total questions: 64

Worksheet time: 32mins

Name
Class
Date
1.

Any change in the state of matter of a substance is a...

a)

Physical Change

b)

Chemical Change

c)

Seasonal Change

d)

Biological Change

2.

A change in matter that forms one or more new substances with new chemical properties is a/an...

a)

Morphism

b)

Physical Change

c)

Climate Change

d)

Chemical Change

3.

Which of the following indicates a chemical change?

a)

Change in size

b)

Change in shape

c)

Change in state of matter

d)

Temperature change

4.

Logs burning in a campfire indicate which type of change?

a)

Physical

b)

Climate

c)

Chemical

d)

Biological

5.

In what way are ALL mixtures put together?

a)

Chemically

b)

Physically

c)

Universally

d)

Reactively

6.

A solution with a pH of 1 is...

a)

a weak acid

b)

a weak base

c)

a strong base

d)

a strong acid

7.

Bob dips a Q-tip into a solution then touches the Q-tip onto a piece of red litmus paper. The red litmus paper turns blue. This shows that the solution is _________________

a)

An acid

b)

A base

c)

Neutral

d)

A salt

8.

What are the reactants in the following chemical equation?


2H2 + O2 --> 2H2O

a)

2H2O

b)

H2

c)

2H2 + O2

d)

O2

9.

The Law of Conservation of Mass states that ALLmatter....

a)

can be created and destroyed

b)

cannot be created nor destroyed but can be transfered

c)

cannot be created nor destroyed but can change form

d)

can be created but not destroyed

10.

Is the following equation balanced or unbalanced ?

2HgO --> Hg + O2

a)

Balanced

b)

Unbalanced

11.

Is the following equation balanced or unbalanced ?

Al + O2 --> Al2O3

a)

Balanced

b)

Unbalanced

12.

Is the following equation balanced or unbalanced ?

N2 +3 H2 --> 2NH3

a)

Balanced

b)

Unbalanced

13.

Iron (Fe) and oxygen (O) chemically react forming a bond. What type of chemical bond does this reaction represent?

a)

Covalent

b)

Ionic

c)

Neutral

d)

Metallic

14.

Elijah was looking through a microscope using the 10X objective lens. What is the total magnification Elijah is using?

a)

400X

b)

250X

c)

100X

d)

40X

15.

Calculate the density of an object that has a mass of 150g and volume of 15cm3

a)

15g/cm3

b)

100g/cm3

c)

75g/cm3

d)

10g/cm3

16.

What change in the state of matter does the image represent?

a)

Precipitate

b)

Sublimation

c)

Melting

d)

Boiling

17.

How would you describe the cell in the image?

a)

Unicellular, prokaryotic, bacteria

b)

Unicellular, eukaryotic, protist

c)

Multi-cellular, eukaryotic, plant

d)

Multi-cellular, eukaryotic, animal

18.

Stores food and water for the cell.

a)

Vacuole

b)

Mitochondria

c)

Cytoplasm

d)

Chloroplasts

19.

Which part of the cell is often called "the brain of the cell"?

a)

Cytoplasm

b)

Nucleolus

c)

Nucleus

d)

Mitchondria

20.

In this image, the information to the right of the arrow (in black) is called the_______.

a)

Reactants

b)

Products

c)

Coefficients

d)

Subscripts

21.

Photosynthesis takes place in which of these organelles?

a)

mitochondria

b)

cytoplasm

c)

chloroplasts

d)

nuclei

22.

Which of the following is NOT an example of an ionic bond?

a)

water molecule (H2O)

b)

table salt (NaCl)

c)

carbon dioxide (CO2)

d)

rust (Fe2O3)

23.

A pH of 11 indicates which of these?

a)

neutral

b)

strong base

c)

weak base

d)

strong acid

24.

Which Period would this element be found on just by looking at the shells/levels?

a)

15

b)

2

c)

7

d)

3

25.

In this picture, the Neutrons are found in which color?

a)

Red

b)

Blue

c)

Green

d)

Purple

26.

Protists, like the Euglena, are classified as...

a)

Prokaryotic

b)

Eukaryotic

27.

Which kind of cells have a membrane-bound nucleus?

a)

prokaryotic

b)

atom

c)

compound

d)

eukaryotic

28.

This graph indicates different states of matter of a substance based on temperature change over different time. What does the graph show the melting point of this substance to be?

a)

100° C

b)

20° C

c)

0° C

d)

-10° C

29.

Elements that are in the same period also have this in common

a)

Number of electron shells

b)

Atomic mass

c)

Atomic number

d)

Protons

30.

A rigid layer that lies outside the cell's membrane is...

a)

Cell membrane

b)

Cytoplasm

c)

Chloroplast

d)

Cell wall

31.

Which of the following organelles is a chloroplast?

a)
b)
c)
d)
32.

Cellular respiration occurs in this organelle

a)

mitochondria

b)

cell membrane

c)

chloroplast

d)

ribosomes

33.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

O2 + O2 + H2O --> Light+ 6O2 + 3C6H12O6

b)

CO2 + light + H2O --> O2 + Sugar

c)

CO2 + O2 + H2O --> Light+ Sugar

d)

6CO2 + 6H2O + light --> C6H12O6 + 6O2

34.

2H2O2 --> 2H2O + O2

How many atoms of oxygen are there on the reactant side of this reaction?

a)

2

b)

4

c)

6

d)

8

35.

Which of these images represents an organ, in the levels of organiztion?

a)
b)
c)
d)
36.

Which type of matter can be seen in this image?

a)

diatomic molecule

b)

heterogeneous mixture

c)

compound

d)

element

37.

Why are bacteria classified as prokaryotic rather than eukaryotic?

a)

Because they are classified by movement

b)

Because they have a membrane-bound nucleus.

c)

Because they do NOT have a membrane-bound nucleus

d)

Because they are classified by size.

38.

Muscle tissue includes ALL but which of the following:

a)

cardiac

b)

connective

c)

smooth

d)

skeletal

39.

Which of these organs of the excretory (urinary) system is responsible for filtering blood?

a)

ureters

b)

kidneys

c)

bladder

d)

urethra

40.

Most chemical digestion happens here

a)

small intestine

b)

large intestine

c)

stomach

d)

liver

41.

The flower in the image shows which of these genetic phenotypes

a)

incomplete dominance

b)

homozygous dominance

c)

heterozygous dominance

d)

co-dominance

42.

Which group of causes best describes how genetic mutations occur?

a)

chemicals, toxins, & plants

b)

random, radiation, & food

c)

random, radiation, & chemicals

d)

random, food, & chemicals

43.

Skeletal muscles are connected to bones by which of these?

a)

tendons

b)

ligaments

c)

cartilage

d)

bones

44.

Remembering the words to a song is controlled by which part of the nervous system?

a)

cerebrum

b)

cerebellum

c)

spinal cord

d)

brain stem

45.

The liver produces which of these fluid that aids in digestion and is stored in the gall bladder?

a)

gastric juice

b)

stomach acid

c)

bile

d)

intestinal fluid

46.

As a person breathes in or inhales...

a)

the diaphragm relaxes and moves upward

b)

the diaphragm contracts and moves upward

c)

the diaphragm relaxes and moves downward

d)

the diaphragm contracts and moves downward

47.

As gas is exchanged, what is moved from the alveoli into the blood?

a)

carbon dioxide

b)

water

c)

oxygen

d)

nitrogen

48.

As gas is exchanged, what is moved from the blood into the alveoli?

a)

carbon dioxide

b)

water

c)

oxygen

d)

nitrogen

49.

The respiratory system transports oxygen to the rest of the body with the help of what other body system?

a)

digestive

b)

circulatory

c)

excretory

d)

reproductive

50.

Involuntary actions like the heart beating are controlled by which part of the brain?

a)

cerebrum

b)

cerebellum

c)

spinal cord

d)

brain stem

51.

In this example, what percentage of the offspring are heterozygous?

a)

25%

b)

50%

c)

75%

d)

100%

52.

The examples in this diagram show what ecological level of organization?

a)

population

b)

biome

c)

ecosystem

d)

community

53.

Humus is made up of which of these?

a)

organic material

b)

loam

c)

bedrock

d)

silt

54.

The image shows which symbiotic relationship between organisms?

a)

predation

b)

mutalism

c)

commensalism

d)

parasitism

55.

Invasive species can be controlled by all, but which of these ways?

a)

mechanical

b)

biological

c)

chemical

d)

physical

56.

In this food web the fox is a consumer at which level?

a)

first level

b)

second level

c)

producer

d)

second and third level

57.

As space increases between soil particles...

a)

permeability decreases

b)

permeability increases

c)

hardness increases

d)

clay loam is present

58.

The image on the left shows what?

a)

population capacity

b)

holding capacity

c)

biome capacity

d)

carrying capacity

59.

Organisms that can reproduce fertile offspring belong to the same what?

a)

ecosystem

b)

community

c)

species

d)

biome

60.

Farmer Joe took a soil sample. he found that the sample included 20% sand, 20% silt, 10% humus, and 50% clay. Farmer Joe concluded that the soil texture was...

a)

loam

b)

sandy loam

c)

bedrock

d)

clay loam

61.

Soil that consists of EQUAL parts of organic material, sand silt, and clay is known as what soil type?

a)

loam

b)

dirt

c)

parent material

d)

humus

62.

In this diagram, Horizon C is _________________

a)

parent material

b)

bedrock

c)

subsoil

d)

topsoil

63.

What type of energy diagram is shown in the image?

a)

Energy Pyramid

b)

Food Chain

c)

Food Web

d)

Food Cycle

64.

An organism that is NOT native to an ecosystem and also has a negative impact on that ecosystem is known as what?

a)

Invasive species

b)

Pest

c)

Non- invasive species

d)

Parasite

Similar Resources on Wayground

Unit 6: Atoms & Periodic Table Review

69 questions

Unit 6: Atoms & Periodic Table Review

quiz

Worksheet

•

8th - 12th Grade

G6 ANNUAL EXAM 2023-24

63 questions

G6 ANNUAL EXAM 2023-24

quiz

Worksheet

•

6th Grade

Acids, Bases, pH, and Law of C.O.M.

60 questions

Acids, Bases, pH, and Law of C.O.M.

quiz

Worksheet

•

8th - 9th Grade

7th Grade Science Final Exam Review

66 questions

7th Grade Science Final Exam Review

quiz

Worksheet

•

7th Grade

PMA 3 Cells, Cell Theory, Homeostasis, Organization & Symbiotic

60 questions

PMA 3 Cells, Cell Theory, Homeostasis, Organization & Symbiotic

quiz

Worksheet

•

6th - 7th Grade

Net Force/Motion Graphing

64 questions

Net Force/Motion Graphing

quiz

Worksheet

•

7th Grade

Biodiversity Pre-Assessment

60 questions

Biodiversity Pre-Assessment

quiz

Worksheet

•

6th - 8th Grade

Stimulus & Response Review

60 questions

Stimulus & Response Review

quiz

Worksheet

•

7th Grade