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Sci 8 Unit 1: Intro to Science 8

Total questions: 63

Worksheet time: 40mins

Name
Class
Date
1.

Study of life

a)

biology

b)

chemistry

c)

physics

d)

earth science

2.

A zoologist studies about ________.

a)

plants

b)

human body

c)

ocean

d)

animals

3.

Which of the following would study viruses?

a)

bacteriology

b)

marine biology

c)

virology

d)

entomology

4.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

5.

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

6.

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

7.

At what temperature did bread mold the slowest?

a)

20

b)

40

c)

60

d)

80

8.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
9.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
10.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
11.

A scientific theory:

a)

Describes a natural phenomenon

b)

Explains a natural phenomeon

12.

A scientific law:

a)

Describes a natural phenomenon

b)

Explains a natural phenomenon

13.

When writing you hypothesis, what information follows IF?

a)

dependent variable

b)

how you know it will happen

c)

independent variable

d)

anything

14.

When writing a hypothesis, what information do you fill in after THEN?

a)

dependent variable

b)

independent variable

c)

how you know it will happen

d)

anything good

15.

Choose the correct hypothesis for "What effect does studying have on your test grade?"

a)

IF I study for hours, THEN my test grade will be better.

b)

IF I have a good test grade, THEN I will study.

c)

Good grades are from studying.

16.

A students was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?

a)

If plants are placed in direct sunlight, then they will grow more green leaves.

b)

If plants are places in bright light, then they will grow more green leaves than in dim light.

c)

If plants are place in clay pots, then they will grow more green leaves than plastic pots.

d)

If plants are in warmer temperatures, then they will grow more green leaves.

17.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

a)

the male alligators

b)

the gender of the alligator

c)

the temperature

d)

the incubator

18.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

a)

the temperature

b)

the size of the baby alligators

c)

the incubator

d)

the gender of the baby alligators

19.

These kind of observations are made using instruments such as rulers, balances and thermometers

a)

Qualitative

b)

Quantitative

c)

Scientific

20.

These type of observations are described, not measured.

a)

Qualitative

b)

Quantitative

21.

It feels smooth.

a)

Qualitative

b)

Quantitative

22.

The leaf is 5mm wide.

a)

Qualitative

b)

Quantitative

23.

The liquid is a pink color.

a)

Qualitative

b)

Quantitative

24.

The mass of the chocolate cake is 250 g.

a)

Qualitative

b)

Quantitative

25.

In an experiment, constants should always be

a)

different

b)

the same

c)

kind of the same

d)

none of the above

26.

Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find the best tissue brand. What would be 1 constant?

a)

amount of tissue

b)

type of tissue

c)

kleenex

d)

which one works better

27.

A paramecium will move away from direct light.  This is an example of which characteristic of life?

a)

respond to stimuli

b)

maintain homeostasis

c)

made of cells

d)

get energy

28.

A turtle lays a hundred of eggs.

a)

use energy

b)

grow and develop

c)

reproduce

d)

evolve

29.

A human body is made up of many different types of cells.

a)

have DNA

b)

use energy

c)

made of cells

d)

respond to stimuli

30.

The plant  height has increased from 5’1” to 5’3” in two weeks.

a)

maintain homeostasis

b)

grow and develop

c)

evolve

d)

respond to stimuli

31.

The neck of the giraffe changed over time to adapt to the environment

a)

grow and develop

b)

made of cells

c)

use energy

d)

evolve

32.

What characteristic best explains:  The tendency of an organism to maintain a stable internal balance such as temperature or the pH of blood.

a)

grow and develop

b)

maintain homeostasis

c)

respond to stimuli

d)

evolve

33.

Which characteristic of living things is represented in the picture?

a)

Respond to stimuli

b)

Grow and develop

c)

Evolution

d)

Made of cells

34.

Identify the characteristic: When a dog is too hot, he will sweat through his paws and pant to cool himself down.

a)

Reproduce

b)

Made of cells

c)

Share similar chemicals

d)

Homeostasis

35.
What is an organism that consists of one cell?
a)
unicellular
b)
multicellular
c)
nucleus
d)
organelle
36.
______________________ is the scientific term for a living thing.
a)
organism
b)
cell
c)
photosynthesis
d)
DNA
37.
Type of reproduction that produces two genetically identical offspring from one parent is _________________.
a)
Sexual
b)
Asexual
c)
reproduction
d)
homeostasis
38.
Every organism must pass on its ________________, stored in DNA.
a)
metabolism
b)
response
c)
growth
d)
genetic code
39.
How do consumers get the energy they need to survive?
a)
photosynthesis
b)
eating other organisms
c)
decomposing dead materials
d)
chemosynthesis
40.

A corn field absorbs sunlight to produce glucose.

a)

All living things are made of cells

b)

All living things respond to environmental stimuli

c)

All living things acquire and use energy

d)

All living things are based on a universal genetic code

41.

Is the image of living or nonliving material?

a)

living

b)

nonliving

42.

A rock

a)

Living

b)

Nonliving

43.

Lynx

a)

Living

b)

Nonliving

44.

Sunlight

a)

Living

b)

Nonliving

45.
Which terms best describe heterotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
46.
Which terms best describe autotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
47.
How many parents does asexual reproduction involve?
a)
one 
b)
two
c)
three
d)
four
48.
Dandelion, What kingdom does it belongs to?
a)
Plant Kingdom
b)
Animal Kingdom
c)
Fungi Kingdom
d)
Protista Kingdom
49.
Mosquito  belongs to what kingdom?
a)
Animal Kingdom
b)
Plant Kingdom
c)
Fungi Kingdom
d)
Protista Kingdom
50.
Which of the following organisms are LEAST closely related?
a)
organisms that share a domain
b)
organisms that share a family 
c)
organisms that share a genus 
d)
organisms that share a species 
51.
The 8 levels of classification, most broad to most specific.
a)
Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
b)
Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
d)
Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus
52.
Who first proposed binomial nomenclature as a way of classifying organisms?
a)
Carl Linnaeus
b)
Carl's Jr.
c)
Charles Darwin
d)
Henry Groseclose
53.
The science of describing, classifying, and naming living things is called:
a)
Geology
b)
Biology
c)
Taxonomy
d)
Chemistry
54.
The scientific name for an organism is made from the:
a)
class and family name
b)
genus and species name
c)
domain and kingdom name
d)
kingdom and phylum name
55.
The 2 kingdoms that make up Prokaryotes are?
a)
Animals and Plants 
b)
Protists and Fungi
c)
Archea and Bacteria
56.
According to this cladogram, sharks are MOST closely related to which organism? 
a)
Amphibians
b)
Ray finned fish
c)
Crocodiles
d)
Birds
57.
Which two organisms have hair? 
a)
Sharks & Ray Finned Fish
b)
Primates & Rodents
c)
Birds & Crocodiles
d)
Rabbits & Birds
58.
According to this cladogram, birds are LEAST related to: 
a)
Amphibians
b)
Sharks
c)
Ray Finned Fish
d)
Crocodiles
59.
If two organisms have similar traits of DNA they are probably
a)
share a common ancestor
b)
share a common environment
c)
share a common population
d)
speciation
60.
 You would find mushrooms in which kingdom?
a)
Plantae
b)
Protists
c)
Fungi
d)
Animalia
61.

What kingdom do unicellular, prokaryotic organisms that live in extreme environments?

a)

Animal

b)

Archaebacteria

c)

Eubacteria

d)

Plant

62.

What would the scientific name of this organism be?

Kingdom: Animalia

Phylum: Chordata

Class: Reptilia

Order: Crocodila

Family: Alligatoridae

Genus: Alligator

species: mississippiensis

a)

alligator Mississippiensis

b)

Crocodila chordata

c)

Alligator mississippiensis

d)

Reptilia crocodila

63.

What would the scientific name of this organism be?

Kingdom: Animalia

Phylum: Chordata

Class: Mammalia

Order: Carnivora

Family:Canidae

Genus: Canis

species: mesomelas

a)

Mammalia carnivora

b)

Canidae mesomelas

c)

Canis mesomelas

d)

Animalia chordata

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