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Mr. Bamberger's 8th Grade Science Practice

Total questions: 80

Worksheet time: 56mins

Name
Class
Date
1.

Kangaroos can't hop backwards.

a)

True

b)

False

2.

We have strong evidence that our solar system is not the only one; we know there are many other suns with planets orbiting them.

a)

FACT

b)

FICTION

3.

Giraffes have __________ stomachs.

a)

1

b)

2

c)

3

d)

4

4.
A brown-furred ewok has 12 babies with a black-furred ewok. 9 ewok babies have black fur, while 3 ewok babies have brown fur. What are the probable genotypes of the parents?
a)
BB and bb
b)
BB and Bb
c)
Bb and Bb
d)
Bb and bb
5.

Some organisms can survive in space without any kind of protective enclosure.

a)

FACT

b)

FICTION

6.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
7.
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
a)
0%
b)
25%
c)
50%
d)
75%
8.

Tatooine, Luke Skywalker's home planet in the Stars Wars films, has two Suns-- what astronomers would call a binary system. Scientists have discovered recently that planets really can form within such systems.

a)

FACT

b)

FICTION

9.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
10.

Organisms have been found living happily in scalding water with temperature as high as 235 degrees fahrenheit.

a)

FACT

b)

FICTION

11.
Which of the following is a phenotype?
a)
Aa
b)
black hair
c)
heterozygous genes
d)
mutated DNA
12.

There is no gravity in deep space.

a)

FACT

b)

FICTION

13.
How many of the males in this pedigree show the trait being studied?
a)
2
b)
3
c)
4
d)
6
14.

We now have evidence that some form of life exists beyond Earth, at least in primitive form.

a)

FACT

b)

FICTION

15.

The basic premise of teleportation-- made famous in TV's "Star Trek"-- is theoretically sound. In fact, scientists have already 'teleported' the quantum state of individual atoms from one location to another.

a)

FACT

b)

FICTION

16.
The average human body carries _____ times more bacterial cells than human cells
a)
Two
b)
Four
c)
Ten
d)
Fifteen
17.
On Venus it snows _____.
a)
Plastic
b)
Rocks
c)
Sand
d)
Metal
18.
“Sphenopalatine ganglioneuralgia” is the technical name for _____
a)
Charlie horse (really bad cramp in the legs)
b)
A body part falling asleep
c)
Sneezing when you look at the sun
d)
Brain freeze
19.

Sharks can live for _____ years.

a)

50

b)

75

c)

100

d)

125

20.
If you could drive directly up in a straight line, you’d reach space in just over _____ hour(s).
a)
1
b)
2
c)
5
d)
10
21.
Right now, the earth (and you) is spinning at _____ miles per hour
a)
100
b)
1,000
c)
10,000
d)
100,000
22.
_____ has a bigger surface area than pluto.
a)
The United States
b)
China
c)
Russia
d)
Australia
23.

The world's largest amphibian is the giant salamander. It can grow up to _____ ft. in length.

a)

1

b)

2

c)

4

d)

5

24.
_____ is the only state to have never experienced an earthquake.
a)
Alabama
b)
North Dakota
c)
Alaska
d)
Indiana
25.
Which animal is classified as an omnivore?  
a)
Rabbit
b)
Owl
c)
Red Fox
d)
Bear 
26.
A mouse eats grass and then is eaten by a owl.  Which is the predator in this situation?
a)
Grass
b)
Mouse
c)
Owl
d)
Sun
27.
Grass is a _____________ because it makes its own food
a)
Consumer
b)
Producer
c)
Photosynthesis
d)
Sun
28.
The sun is the original source of all __________
a)
Energy
b)
Producer
c)
Food Chain
d)
Consumer
29.

What happens when two forces act in the same direction?

a)

They cancel each other out.

b)

The stronger one prevails.

c)

Their strengths are added.

d)

Their sum divided by two is the total force.

30.

The law of universal gravitation states that any two objects in the uni-verse that have mass, without exception,

a)

attract each other.

b)

repel each other.

c)

combine to provide a balanced force.

d)

create friction

31.

Forces can be added together only if they are

a)

acting on the same object

b)

unaffected by gravity

c)

balanced forces

d)

substantial

32.
Major organs of the digestive system
a)
Kidneys, nephrons
b)
Stomach, intestines, mouth
c)
Heart, blood vessels, blood
d)
Liver, kidneys, heart
33.
Which animal has the most teeth?
a)
A Male Narwhal
b)
An American Crocodle 
c)
A Dog
d)
A Great White Shark
34.
Major organs of the nervous system
a)
Kidneys, nephrons
b)
Stomach, intestines, mouth
c)
Heart, blood vessels, blood
d)
Brain, spinal cord, nerve
35.
Major organs of the skeletal system
a)
Muscles, tendons
b)
Bones, ligaments
c)
Marrow, periostium, nerves
d)
Ribs, quadriceps, femur
36.
How much does a great white shark weigh?
a)
5 Dolphins
b)
15 Gorillas 
c)
4 Elephants
d)
2 Robins
37.
Heart, blood vessels, blood
a)
Digestive system
b)
Excretory system
c)
Circulatory system
d)
Immune system
38.
What is the coldest thing below?
a)
An Iceberg 
b)
Ice cream 
c)
Mars at night 
d)
Outside of an airplane
39.
Nose, trachea, lungs, alveoli
a)
Respiratory system
b)
Endocrine system
c)
Muscular system
d)
Skeletal system
40.
What is the hottest thing below?
a)
The Sun
b)
The Temperature of Lava
c)
The Center of a Candle Flame
d)
A Kernel of Popcorn when it Pops
41.
Kidneys, lungs, skin, nephrons
a)
Digestive system
b)
Excretory system
c)
Integumentary system
d)
Respiratory system
42.
A hummingbird can only fly forward.
a)
True
b)
False
43.
Major organs of the muscular system
a)
Shoulder-blade, kneecap, triceps
b)
Muscles, tendons
c)
Bones, ligaments
d)
Heart, intestines, stomach
44.
What flies the highest?
a)
A Bumble Bee
b)
A Bald Eagle
c)
A Commercial Airliner 
d)
 A Butterfly
45.
Pituitary gland, pancreas, thyroid, adrenal gland
a)
Digestive system
b)
Integumentary system
c)
Endocrine system
d)
Immune system
46.

A hippo's sweat turns what color when they are nervous?

a)

orange

b)

yellow

c)

red

d)

lime green

47.
Which of the following is a part of the water cycle?
a)
evaporation
b)
condensation
c)
precipitation
d)
all of the above
48.

A flock of crows is known as a ____________.

a)

flock

b)

murder

c)

bad sign

49.
An example of a physical property is 
a)
flammability
b)
acidic
c)
color
d)
ability to rust
50.

The first animals in space were:

a)

monkeys

b)

dogs

c)

fruit flies

d)

Humans

51.
What causes a change in the state of matter?
a)
physical properties
b)
chemical energy
c)
temperature
52.

How many hearts does an octopus have?

a)

1

b)

4

c)

3

d)

20

53.
Plants get their energy from ...
a)
Carbon Dioxide
b)
Glucose
c)
Sunlight
d)
Gases
54.

What color is a polar bear's skin?

a)

White

b)

Tan

c)

Black

d)

Brown

55.
All living things and natural resources that interact in an environment form an 
a)
Adaptation
b)
Classify
c)
Ecosystem
d)
Organism
56.

A gorilla can live for

a)

10-15 years

b)

5-10 years

c)

40-50 years

d)

Not longer than your average meme.

57.
The freezing point of water is
a)
0 Degrees Farenheit
b)
100 Degrees Farenheit
c)
0 Degrees Celsius
d)
32 Degrees Celsius
58.
Dolphins are
a)
insectivores
b)
herbivores
c)
omnivores
d)
carnivores
59.
Complete the formula for Photosynthesis:
_______ + Carbon Dioxide + sunlight = _______ + Oxygen
a)
Water, Oxygen
b)
Oxygen, Water
c)
Sunlight, Glucose
d)
Water, Glucose
60.

Cheetahs are the only big cat that cannot

a)

climb

b)

run fast

c)

swim

d)

roar

61.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
62.

Anteaters eat 35,000 ants a day

a)

True

b)

False

63.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
64.

A baby shark is called a ________.

a)

pup

b)

calf

c)

cub

d)

fish

65.
All the plants and animals that live in the same place is a ____________.
a)
Population
b)
Individual
c)
Ecosystem
d)
Community
66.
Coulrophobia means fear of what?
a)
high places
b)
worms
c)
stairs
d)
clowns
67.
Scientist find dinosaur fossils in the bottom of a cliff and mammals fossils in the middle layer, what can be inferred?
a)
dinosaurs ate plants
b)
dinosaurs were eaten by the mammals
c)
they lived at the same time
d)
dinosaurs lived before the mammals
68.

Which animal has the longest life span?

a)
b)
c)
d)
69.
Ostrich wings are examples of
a)
homologous structures
b)
vestigial structures
c)
adaptations
d)
traits
70.
The king cobra has enough venom to kill an elephant.
a)
True
b)
False
71.
Which answer best describes a producer in an ecosystem?
a)
a living organism
b)
a living organism that produces its own food
c)
a living organism that produces its own food and is food for other living organisms
d)
a living organism that produces and consumes other living organisms
72.

Can squirrels burp?

a)

No way

b)

Yes

c)

Sometimes

d)

Only if its cold outside

73.
Change over time is
a)
evolution
b)
generation
c)
growth
d)
biogenesis
74.
Natural selection is
a)
survival of the fittest
b)
humans change
c)
two species are the same
d)
more animals survive
75.

Butterflies taste with their ________?

a)

antenna

b)

feet

c)

mouths

76.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
77.

How many species of dancing frogs are there?

a)

Only 1

b)

24

c)

5

d)

Over 100

78.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
79.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
80.

What is Mr. Bamberger's favorite food?

a)

Marble Cake

b)

Chocolate Babka

c)

Chocolate Rugula

d)

Sweet Potatoes with Season Salt

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