Free Printable Semester 1 Review

1.

Science can change and is a continually ongoing process.

a)

True

b)

False

2.

What step does every scientific experiment begin with?

a)

hypothesis

b)

question/problem

c)

background research

d)

conclusion

3.

True or False: Your hypothesis can never be wrong.

a)

True

b)

False

4.

Should experiments be repeated over and over to see if the results are the same each time?

a)

yes

b)

no

5.

The summary at the end of an experiment that explains the results.

a)

conclusion

b)

procedures

c)

materials

d)

responding variable

6.

The __________________________________ is the organized way scientists answer questions and solve problems.

a)

scientific method

b)

scientific explanation

c)

scientific notation

d)

scientific guesses

7.

Another word for prediction or educated guess is: ________________

a)

hypothesis

b)

conclusion

c)

experiment

d)

data

8.

The information you record in an experiment is called your ____________.

a)

data

b)

conclusions

c)

notebook

d)

inquiry

9.

A testable explanation to a problem that has not yet been tested.

a)

data

b)

theory

c)

hypothesis

d)

fact

10.

What is a factor that the experimenter has full control over and changes to see what happens?

a)

Dependent Variable

b)

Independent Variable

c)

Control group

d)

Hypothesis

11.

You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.

a)

1

b)

2

c)

3

d)

4

12.

What is the part of the experiment that is left alone or “natural", and is used to compare back to?

a)

Independent Variable

b)

Dependent Variable

c)

Control Group

d)

Experimental Group

13.

Explaining the color of a chemical would be what kind of observation?

a)

Qualitative

b)

Quanitative

14.

Which of the following would be considered quantitative data?

a)

Color

b)

Smell

c)

6.84 cm

d)

texture

15.

What is a factor that changes because of what the experimenter does?

a)

Dependent Variable

b)

Independent Variable

c)

Control Group

d)

Hypothesis

16.

A scientists wants to see what would happen if male rats were given estrogen (hormone that is produced in large amounts by females, smaller amounts by males). He has five rats one rat receives a shot with a placebo, the other four rats received estrogen in different amounts (20%, 40%, 60%, and 80% more estrogen than normally produced). THe shot is administered every monday at 6am. Their weight is taken to see what the estrogen does to their body mass. What is the independent Variable?

a)

different estrogen amounts

b)

body mass

c)

every monday at 6 am

d)

the 4 mice that received estrogen

e)

the one mouse that receives the placebo

17.

A scientists wants to see what would happen if male rats were given estrogen (hormone that is produced in large amounts by females, smaller amounts by males). He has five rats one rat receives a shot with a placebo, the other four rats received estrogen in different amounts (20%, 40%, 60%, and 80% more estrogen than normally produced). THe shot is administered every monday at 6am. Their weight is taken to see what the estrogen does to their body mass. What is the Dependent Variable?

a)

different estrogen amounts

b)

body mass

c)

every monday at 6 am

d)

the 4 mice that received estrogen

e)

the one mouse that receives the placebo

18.

A scientists wants to see what would happen if male rats were given estrogen (hormone that is produced in large amounts by females, smaller amounts by males). He has five rats one rat receives a shot with a placebo, the other four rats received estrogen in different amounts (20%, 40%, 60%, and 80% more estrogen than normally produced). THe shot is administered every monday at 6am. Their weight is taken to see what the estrogen does to their body mass. What is the Standard/Control Variable?

a)

different estrogen amounts

b)

body mass

c)

every monday at 6 am

d)

the 4 mice that received estrogen

e)

the one mouse that receives the placebo

19.

A scientists wants to see what would happen if male rats were given estrogen (hormone that is produced in large amounts by females, smaller amounts by males). He has five rats one rat receives a shot with a placebo, the other four rats received estrogen in different amounts (20%, 40%, 60%, and 80% more estrogen than normally produced). THe shot is administered every monday at 6am. Their weight is taken to see what the estrogen does to their body mass. What is the Control Group ?

a)

different estrogen amounts

b)

body mass

c)

every monday at 6 am

d)

the 4 mice that received estrogen

e)

the one mouse that receives the placebo

20.

A scientists wants to see what would happen if male rats were given estrogen (hormone that is produced in large amounts by females, smaller amounts by males). He has five rats one rat receives a shot with a placebo, the other four rats received estrogen in different amounts (20%, 40%, 60%, and 80% more estrogen than normally produced). THe shot is administered every monday at 6am. Their weight is taken to see what the estrogen does to their body mass. What is the Experimental Group ?

a)

different estrogen amounts

b)

body mass

c)

every monday at 6 am

d)

the 4 mice that received estrogen

e)

the one mouse that receives the placebo

21.

The scientific name for something living is a(an)

a)

organism

b)

cell

c)

tissue

d)

human

22.

An organism made of one cell is called

a)

unicellular

b)

multicellular

23.

cells with no nucleus are called

a)

prokaryotic

b)

eukaryotic

c)

dead

d)

alive

24.

The smallest unit of life is a(n)

a)

atom

b)

cell

c)

snail

25.

Multicellular means

a)

made of many cells

b)

made of one kind of cell

c)

made of only one cell

26.

During ___________ conditions inside our body are kept stable (the same)

a)

homeopathic

b)

Homo sapian

c)

homeostasis

d)

homologous

27.

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

a)

stimulus

b)

response

c)

cause

d)

effect

28.

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

29.

Your body shivers when you are cold. This is because of the concept of...

a)

homeostasis

b)

heredity

c)

energy metabolism

d)

cellular organization

30.

Living things are made up of units called

a)

DNA

b)

Cells

c)

Homeostasis

d)

Seeds

31.

Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas.

a)

Asexual

b)

Sexual

c)

Division

d)

Addition

32.

Reproduction that involves two cells from different parents unite to produce the first cell of a new organism.

a)

Asexual

b)

Sexual

c)

Budding

d)

Division

33.

Living things are based on a universal genetic

code. What molecule is responsible for that code?

a)

RNA

b)

Lipid

c)

Protein

d)

DNA

34.

The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

a)

absorption

b)

metabolism

c)

digestion

d)

consumption

35.

What are the 3 subatomic particles of an atom?

a)

carbon atom, proton, electron

b)

quarks, neutrons, protons

c)

nucleus, protons, electrons

d)

protons, neutrons, electrons

36.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

37.

Which subatomic particle has a positive charge?

a)

proton

b)

neutron

c)

electron

38.

Which subatomic particle has a neutral or no charge?

a)

proton

b)

neutron

c)

electron

39.

all matter is made of what

a)

energy

b)

atoms

c)

electrons

d)

compounds

40.

Valence electrons are the number of

a)

protons in the atom

b)

electrons in the atom

c)

protons + neutrons in the nucleus

d)

electrons in the outside shell of the atom

41.

What kind of molecule is water?

a)

Ionic

b)

Polar Covalent

c)

Nonpolar Covalent

d)

Metallic

42.

Which part of a water molecule has a Positive Charge?

a)

The Hydrogen

b)

The Oxygen

c)

The Top

d)

The Bottom

43.

Which part of a water molecule has a Negative Charge?

a)

The Hydrogen

b)

The Oxygen

c)

The Left

d)

The Right

44.

Which of the following is an example of COHESION?

a)

water sticking to water

b)

water sticking to glass

c)

oil sticking to plastic

d)

hydrogen sticking to oxygen

45.

Water is polar. What does that mean?

a)

it is a molecule with opposite charges on opposite ends

b)

it is a molecule with no charge

c)

it is a molecule with identical charges on opposite ends

d)

it is a molecule with too many protons

46.

Water sticks well to many materials. What term relates to this property of water?

a)

cohesion

b)

adhesion

c)

density

d)

surface tension

47.

Proteins are made of monomers called ___________

a)

Nucleotides

b)

Monosaccharides

c)

Amino Acids

d)

Glycerol and fatty acids

48.

DNA and RNA are examples of

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

49.

Nucleotides are monomers of

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

50.

Monosaccharides are monomers of

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

51.

Waxes, oils and fats are examples of

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

52.

Glycerol and fatty acids are the monomers of

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

53.

Glycerol and fatty acids are the monomers of

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

54.

What is the primary function of carbohydrates in your body?

a)

Speed up chemical reactions.

b)

Give immediate energy.

c)

Help to store energy.

d)

Build cell walls in plants.

55.

Which macromolecule stores energy, insulates us, and makes up the cell membrane?

a)

lipids

b)

proteins

c)

carbohydrates

d)

nucleic acids

56.

Which organelle contains DNA and controls the cell?

a)

Cell membrane

b)

nucleus

c)

nucleolus

d)

lysosme

57.

Which organelle controls what goes in and out of the cell?

a)

nucleus

b)

nucleolus

c)

cell membrane

d)

nuclear membrane

58.

This organelle digests dead cell parts and contains enzymes

a)

lysosome

b)

golgi body

c)

smooth ER

d)

Rough ER

59.

The gelatinous material inside the cell

a)

ribosomes

b)

lysosome

c)

granum

d)

cytoplasm

60.

this organelle makes ATP.

a)

chloroplast

b)

mitochondria

c)

ribosome

d)

nucleolus

61.

THe organelle that prepares proteins to enter or exit

a)

golgi apparatus

b)

mitochondria

c)

ribosome

d)

rough er

62.

THe organelle that acts as part of the highway of the cell and has ribosomes attached to it

a)

golgi apparatus

b)

mitochondria

c)

ribosome

d)

rough er

63.

What is diffusion?

a)

when molecules move

b)

when molecules move from a high concentration to a low.

c)

no movement

d)

molecules move everywhere

64.

Osmosis is the movement of _____ across a membrane.

a)

food

b)

energy

c)

oxygen

d)

water

65.

What is the definition of Selective Permeability?

a)

The movement of materials across the cell membrane that requires NO ENERGY from the cell.

b)

The movement of materials through (or across) the cell membrane

c)

The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.

d)

The movement of molecules from an area of high concentration to a area of low concentration

66.

When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of

a)

Osmosis

b)

Diffusion

c)

Equilibrium

67.

A person should never drink salty water because their cells would

a)

shrink

b)

expand

68.

A person would never have pure water put into their veins in a hospital because their cells would...

a)

Shrink/Dehydrate

b)

Expand

69.

A person would never have pure water put into their veins in a hospital, what type of solution would you be exposing your cells to if that happened.

a)

hypotonic solution

b)

hypertonic solution

c)

isotonic solution

70.

A person should never drink salty water because their cells would be in what type of solution

a)

hypertonic

b)

hypotonic

c)

isotonic

71.

The major function of ribosomes is to

a)

Make fats

b)

Synthesize protein

c)

Digest protein

d)

Make sugars

72.

What am I? I'm a real "powerhouse". I break down glucose to make ATP.

a)

Cell membrane

b)

ribosome

c)

mitochondria

d)

lysosome

73.

which of the following transports material within the cell?

a)

Golgi apparatus

b)

Endoplasmic reticulum

c)

cell wall

d)

ribosomes

74.

Rough endoplasmic reticulum has ________________ attached to it.

a)

ribosomes

b)

chromosomes

c)

Golgi apparatus

d)

nucleolus

75.

What is the function of vacuoles?

a)

make protein

b)

store genetic information

c)

storage of salt, H₂O, food, and waste

d)

transports material outside the cell

Semester 1 Review

Total questions: 75

Worksheet time: 1hrs 9mins

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