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Science

Total questions: 108

Worksheet time: 58mins

Name
Class
Date
1.
In an experiment, the one variable that is changed by the scientist is called the ______.
a)
independent variable
b)
dependent variable
c)
random variable
d)
controlled variable
2.
In an experiment, the factor that we observe and/or measure is called the ____.
a)
independent variable
b)
dependent variable
c)
random variable
d)
controlled variable
3.
What type of data is shown here?
a)
qualitative
b)
quantitative
4.
What type of data is shown here?
a)
qualitative
b)
quantitative
5.
A testable, possible explanation for a scientific question is called a(n) _____.
a)
theory
b)
random guess
c)
law
d)
hypothesis
6.
Observations that are made when you use your senses to gather information.
a)
manipulated
b)
quantitative
c)
qualitative
d)
operational
7.
Observations that are made with instruments such as rulers, balances, graduated cylinders, thermometers, timers, etc. and are measurable.
a)
manipulated
b)
quantitative
c)
qualitative
d)
operational
8.
An organized way to collect and record scientific observations is with a(n) _____.
a)
data table
b)
inference
c)
model
d)
definition
9.
Raccoons tend to have striped tails and black eye masks is an example of ____ data.
a)
qualitative
b)
quantitative
10.
There were seven boxes of cookies in the cupboard.
a)
qualitative
b)
quantitative
11.
A scientist studies how many days it takes people to get sick when eating different candies.  What is the independent variable?
a)
eating
b)
days until sick
c)
the scientist
d)
candies
12.
A scientist studies how many days it takes people to get sick when eating different candies.  What is the dependent variable?
a)
eating
b)
days until sick
c)
the scientist
d)
candies
13.
A scientist studies how many days it takes people to get sick when eating different candies.  What is not a controlled variable?
a)
age of people
b)
candy type
c)
amount of candy
d)
time of eating
14.
what is a group on the periodic table?
a)
Broken Substance
b)
Rows
c)
columns
d)
The weeknd
15.
what is a period on the periodic table?
a)
group
b)
column
c)
Row
d)
the weeknd
16.
What does the Atomic number tell you about an element?
a)
Its favorite number
b)
Protons and Electrons
c)
Protons
d)
Neutrons
17.
The law of conservation of mass states...
a)
Mass can be created and destroyed
b)
Mass can not be created nor destroyed
c)
something contains mass
d)
Nothing can be desttroyed
18.
How many valence electrons does an atom need to have to be very reactive?
a)
1 & 7
b)
2 & 3
c)
6 & 8
d)
3 & 4
19.
What is a metal?
a)
Something that is solid and very conductive
b)
Weak and dull
c)
A gas
d)
A non-metal
20.
What does a metalloid consist of?
a)
Something with face ((:
b)
A non-metal
c)
a metal
d)
Characteristics of a metal and a non-metal
21.
What is a non-metal?
a)
dull
b)
Bad conductivity
c)
right side of the periodic table
d)
all of the above
22.
How do you find atomic mass?
a)
Add protons and electrons
b)
add protons and neutrons
c)
add the atomic mass and the electrons
d)
None of these
23.
Which indicates that it is a physical change?
a)
Odor change
b)
Color change
c)
Rearranged atoms
d)
Change in size
24.
Which is a chemical change?
a)
Paper torn in half.
b)
melting butter.
c)
Expired cheese.
d)
Hair cutting.
25.
How many valence electrons does Oxygen have?
a)
6
b)
8
c)
4+4
d)
4
26.
How do you count atoms in a chemical equation.
a)
Add the subscripts and multiply coefficients to the element.
b)
Add an element at a time and add the coefficients at the end.
c)
You just use your hand.
d)
Multiply with subscripts and add with the coefficients.
27.
How do you tell if a chemical equation is balanced?
a)
same amount of atoms on both sides of the equation.
b)
Same amount of atoms for all elements on both sides of the equation.
c)
After you add and subtract.
d)
Ask the teacher.
28.
Which of these is a chemical change?
a)
All of the above.
b)
Rotting bananas
c)
iron nail rusting.
d)
Baking a cake.
29.
What is the difference between a chemical and physical change?
a)
Physical changes are reversible, as chemical changes are not.
b)
Different names
30.
What group is Potassium located in?
a)
1
b)
2
c)
3
d)
16
31.
Which element contains more atoms Boron or Lithium?
a)
B
b)
Boron
c)
Lithium
d)
K
32.
Is odor ALWAYS a sign of a chemical change?
a)
No
b)
Maybe
c)
Yes
33.
What element causes combustion and what does it represent?
a)
Oxygen and Physical
b)
Fire
c)
Oxygen and Chemical
d)
Neon and Chemical.
34.
Which moon phase comes after waxing crescent?
a)
First Quarter
b)
Waning Crescent
c)
Full moon
d)
Waxing Gibbous
35.
Sometimes people see figures such as animals in the arrangement of the stars, these figures are called:
a)
Supernova
b)
Constellations
c)
Supergiants
36.
The orbit of the Earth around the sun is:
a)

circular

b)
elliptical
c)
irregular
37.
What causes the temperatures at the north and south pole to remain cold throughout the year?
a)
The speed at which the Earth moves around the sun
b)
The tilt of the Earth on its axis
38.
Fill in the blanks.In a 24 hour period, the earth completes one ________ on its ________
a)
rotation, orbit
b)
revolution, axis
c)
rotation, axis
d)
revolution, orbit
39.
A shooting star  is actually a:
a)
a star
b)
a meteor
c)
and asteroid
40.
Which invention led to the invention of DVD's?
a)
CD's
b)
Plasma television
41.
Which invention made it possible for computers to process information quickly and made computers more affordable?
a)

The internet

b)
The microchip
42.
Which of the following is the best definition of technology?
a)
using scientific knowledge for a purpose.
b)
developing new inventions
43.
What was the first use of the world wide web?
a)
To help scientist search for information.
b)
To help scientists communicate with each other.
44.
What revolves around a planet?
a)
star
b)
moon
c)
comet
45.
Which moon phase is Earth between the moon and the sun?
a)
New moon
b)
full moon
c)
first quarter
46.
Why do craters last for millions of years on the surface of the moon?
a)
The moon's surface is so hard that craters do not change.
b)
The moon has no water or wind to erode the craters
c)
The wind on the moon is high in the atmosphere
47.
Which of the following best describe the shape of the Earth's orbit?
a)
Earth's orbit is a perfect circle around the sun.
b)
Earth's orbit is an irregular triangle around the sun
c)
Earth's orbit is elliptical, like a flattened circle.
48.
Which of the following best describes the size of the sun in relation to other stars?
a)
The sun is a dwarf star
b)
the sun is an averaged size star.
c)
The sun is a giant star
49.
Which planet is located between mars and Saturn?
a)
Mercury
b)
Earth
c)
Jupiter
d)
Uranus
50.
Which order is correct?
a)
Jupiter, Mercury, Saturn, Neptune
b)
Mercury, Earth, Mars, Jupiter
c)
Earth, Mars, Venus, Jupiter
d)
Uranus, Jupiter, Neptune, Saturn
51.
What season is the Southern hemisphere in when the North Pole is leaning into the Sun?
a)
Summer
b)
Fall
c)
Winter
d)
Spring
52.
Which planet is the largest?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
53.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
54.
Which Planet comes after Earth in the solar system?
a)
Mercury
b)
Mars 
c)
Venus 
d)
Eros
55.
When the Northern Hemisphere of Earth is Leaning away from the Sun, What season is the Southern Hemisphere experiencing?
a)
Summer
b)
Winter
c)
Spring
d)
Fall
56.

Control Variable

a)

The amount of gravity on an object

b)

Factor whose value is the result you are testing

c)

Factor in an experiment that is kept the same

d)

An idea that can be tested by an experiment or observation

57.

Scientific Law

a)

The variable that is the results that are being measured.

b)

Describes natural occurrences in nature, doesn't explain why

c)

Neutral charge, located in the nucleus

d)

The theory that all matter is made up of tiny indivisible particles (atoms)

58.

Dependent Variable

a)

The variable that is the results that are being measured.

b)

Center of an atom, protons and neutrons

c)

Neutral charge, located in the nucleus

d)

The theory that all matter is made up of tiny indivisible particles (atoms)

59.

Proton

a)

The variable that is the results that are being measured.

b)

Center of an atom, protons and neutrons

c)

Positive charge, located in the nucleus

d)

The theory that all matter is made up of tiny indivisible particles (atoms)

60.

Nucleus

a)

The variable that is the results that are being measured.

b)

Center of an atom, protons and neutrons

c)

Neutral charge, located in the nucleus

d)

The theory that all matter is made up of tiny indivisible particles (atoms)

61.

Hypothesis

a)

Smallest particle

b)

Negatively charged particles outside the nucleus

c)

An idea or explanation that is testable or observable.

d)

Neutral particle located in the nucleus

62.

Independent Variable

a)

The variable that doesn't depend on another, and is controlled by you.

b)

negatively charged particle outside the nucleus

c)

Dependent that is the results being measured

d)

Positively charges particle located in the nucleus

63.

Repetition

a)

when multiple sets of measurements (tests) are made during one scientific investigation

b)

Describes natural occurrences in nature, doesn't explain why

c)

Positive charge, located in the nucleus

d)

Negative charged particle, located in the electron cloud.

64.

Neutron

a)

The variable that is the results that are being measured.

b)

Describes natural occurrences in nature, doesn't explain why

c)

Neutral charge, located in the nucleus

d)

The theory that all matter is made up of tiny indivisible particles (atoms)

65.

Qualitative

a)

Measured by the quality of something

b)

Center of an atom, protons and neutrons

c)

Measured by the quantity of something

d)

Negative charge, located outside the nucleus.

66.

Atomic Theory

a)

The variable that is the results that are being measured.

b)

Describes natural occurrences in nature, doesn't explain why

c)

Positive charge, located in the nucleus

d)

The theory that all matter is made up of tiny indivisible particles (atoms)

67.

Replication

a)

when multiple sets of measurements (tests) are made during one scientific investigation

b)

Describes natural occurrences in nature, doesn't explain why

c)

When an experiment is done by another person

d)

Negative charged particle, located in the electron cloud.

68.

Atom

a)

Smallest particle

b)

Negatively charged particle outside the nucleus

c)

An idea or explanation that is testable or observable.

d)

Neutral particle located in the nucleus

69.

Science Theory

a)

Supported by evidence

b)

Factor whose value is the result you are testing

c)

Factor in an experiment that is kept the same

d)

An idea that can be tested by an experiment or observation

70.

Electron

a)

The variable that is the results that are being measured.

b)

Center of an atom, protons and neutrons

c)

Positive charge, located in the nucleus

d)

Negative charge, located outside the nucleus.

71.

Quantitative

a)

The variable that is the results that are being measured.

b)

Center of an atom, protons and neutrons

c)

Measured by the quantity of something

d)

Negative charge, located outside the nucleus.

72.

In order to use chemicals to regulate body systems this system is necessary.

a)

circulatory

b)

digestive

c)

endocrine

d)

muscular

73.

These 2 systems work together to make the body move

a)

skeletal and muscular

b)

digestive and excretory

c)

nervous and endocrine

d)

circulatory and respiratory

74.

this is the main organ of the nervous system

a)

brain

b)

heart

c)

lungs

d)

intestines

75.

this system helps the body get rid of carbon dioxide and brings in oxygen.

a)

circulatory

b)

endocrine

c)

respiratory

d)

skeletal

76.

this system stores minerals, makes blood cells, and supports the body.

a)

skeletal

b)

digestive

c)

excretory

d)

circulatory

77.

the part of the plant cell that makes it's own food

a)

cell membrane

b)

nucleus

c)

mitochondria

d)

chloroplast

78.

this part of the plant and animal cell turns food into energy

a)

cytoplasm

b)

nucleus

c)

mitochondria

d)

cell membrane

79.

this part of the excretory system filters waste from the blood

a)

kidneys

b)

bladder

c)

lungs

d)

heart

80.

This part of the cell keeps all the organelles inside the cell and allows things into and out of the cell.

a)

cytoplasm

b)

liver

c)

cell membrane

d)

nucleus

81.

These are the structures of the circulatory system that bring blood to and from the heart.

a)

arteries, capillaries and veins

b)

capillaries, liver and stomach

c)

veins, capillaries and kidneys

d)

pancreas, arteries and lungs

82.

What is the main function of the excretory system?

a)

digest food that the cells can use

b)

bring nutrients to the cells

c)

remove waste from the body

d)

bring impulses to the brain.

83.

This brings impulses from the nerves to the brain.

a)

from the gall bladder to the brain

b)

from the cns to the pns

c)

from the veins to the arteries

d)

peripheral nervous system to the central nervous system

84.

The food that is digested goes from the mouth to the stomach. What happens after that?

a)

It goes to the liver, kidneys then the cells.

b)

It goes from the stomach to the small intestines.

c)

It goes from the stomach to the large intestines.

d)

It goes to the cells.

85.

What does the large intestines do?

a)

It brings in bile to digest fat from the food.

b)

It mechanically digests food.

c)

It absorbs food for the cells.

d)

Absorbs the water then makes the waste from the remaining food.

86.

What is the correct order from smallest in hierarchy of living things?

a)

cells-tissues-organs-organ systems-organisms

b)

tissues-organs-cells-organisms-organ systems

c)

cells-organs-tissues-organ systems-organisms

d)

organs-organ systems-organisms-tissues-cells

87.

this part of the cell regulates the activities of the cell's organelles.

a)

cell membrane

b)

cell wall

c)

nucleus

d)

mitochondria

88.

this part of the digestive system absorbs food for the cells to use.

a)

small intestines

b)

mouth

c)

large intestines

d)

stomach

89.

These are the smallest non-living things, they make up everything.

a)

cell

b)

atom

c)

molecule

d)

tissue

90.

This is the largest organ in the human body.

a)

heart

b)

large intestines

c)

skin

d)

liver

91.

These are part of the nervous system

a)

heart, brain, skin

b)

brain, spinal cord, nerves

c)

nerves, liver and stomach

d)

brain, stomach and nerves

92.
What is this science tool?
a)
jar
b)
beaker
c)
thermometer
d)
ruler
93.
What is this science tool?
a)
wind vane
b)
thermometer
c)
direction finder
d)
beaker
94.
What is this science tool?
a)
thermometer
b)
weather vane
c)
rain gauge
d)
beaker
95.
Tool
a)
Object or device used to perform a task
b)
A job that it must be done
96.
Hand lens
a)
Tool to make objects appear larger
b)
Tool to search objects
97.
Telescope
a)
Tool to help you see objects that are far away
b)
You can see larger objects with it
98.
Microscope
a)
Tool to help you see objects that are far away
b)
Tool to make objects appear much larger
99.
What is this science tool?
a)
beaker
b)
balance
c)
hand lense
d)
collection net
100.
What is this science tool?
a)
thermometer
b)
ruler
c)
beaker
d)
yard stick
101.
What is this science tool?
a)
sun glasses
b)
safety goggles
c)
hand lenses
d)
beaker
102.
What is this science tool?
a)
microscope
b)
balance
c)
thermometer
d)
hand lenses
103.
What is this science tool?
a)
magnet
b)
hand lenses
c)
rain gauge
d)
balance
104.
What is this science tool?
a)
beaker
b)
weather vane
c)
thermometer
d)
balance scale
105.
What is this science tool?
a)
balance scale
b)
beaker
c)
hand lenses
d)
thermometer
106.
What is this science tool?
a)
notebook
b)
weather vane
c)
beaker
d)
microscope
107.
What is this science tool?
a)
beaker
b)
microscope
c)
hand lenses
d)
thermometer
108.
What is this science tool?
a)
timer
b)
microscope
c)
thermometer
d)
rain gauge

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