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Characteristics of Life/Scientific Method

Total questions: 47

Worksheet time: 29mins

Name
Class
Date
1.
A _____ is something in the environment that causes an organism to respond.
a)
stimulus
b)
response
c)
cause
d)
effect
2.
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
3.

Maintaining a stable internal

environment is called

a)

homeostasis

b)

equilibrium

c)

balance

d)

evenness

4.
A reaction to a stimulus is a ______________.
a)
hiccup
b)
response
c)
metabolism
d)
homeostasis
5.
An organism that makes its own food is 
a)
an omnivore
b)
a heterotroph
c)
an autotroph
d)
a carnivore
6.

Identify the characteristic: when you step out into the cold, your body shivers in order to keep its temperature at 98.6oF.

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow and develop

7.

Identify the characteristic: green plants produce their own food through the process of photosynthesis.

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow and develop

8.

Identify the characteristic: a caterpillar hibernates in a cocoon and emerges as a butterfly.

a)

All living things adapt to their environment

b)

All living things use energy

c)

All living things respond to their environment

d)

All living things grow and develop

9.
Pick the true statement about cellular organization:
a)
cells working together make tissues
b)
cells working together make organs
c)
tissues working together make organ systems
d)
organs working together make cells
10.
Your body shivers when you are cold. This is because of the concept of...
a)
homeostasis
b)
heredity
c)
energy metabolism
d)
cellular organization
11.

Which of the following is a response?

a)

a flashlight shined into the eye

b)

a rubber band popping your hand

c)

your pupils constricting when exposed to bright light

d)

blood glucose levels drop significantly

12.
It is hot outside. You start sweating. In this case, the hot weather is the...
a)
stimulus
b)
response
c)
cause and effect
d)
responder
13.

Which of the following is an example of homeostasis?

a)

adapting to your environment

b)

maintaining an appropriate respiration rate

c)

the sum of all of your chemical reactions

d)

being composed of more than one cell

14.

Identify the characteristic: A camel has eyelashes that work to keep the dust and sand out of its eyes.

a)

All living things adapt/respond to their environment

b)

All living things grow

c)

All living things have cells

d)

All living things use energy

15.

What characteristic is shown: A bacteria cell divides itself in two.

a)

Reproduce

b)

Respond to a Stimulus

c)

Homeostasis

d)

Grow and Develop

16.

What characteristic is shown: A giraffe gives birth to a healthy

a)

Reproduce

b)

Genetic Code

c)

Change Over Time

d)

Acquire and Use Energy

17.

Which characteristic is shown: An American alligator kills and eats a fish.

a)

Change Over Time

b)

Acquire and Use Energy

c)

Grow and Develop

d)

Made of Cells

18.

Which characteristic is shown: A corn field absorbs sunlight to produce food.

a)

Made of Cells

b)

Respond to a Stimulus

c)

Acquire and Use Energy

d)

Genetic Code

19.

Which characteristic is shown: A chocolate lab puppy becomes a fully grown dog.

a)

Respond to a Stimulus

b)

Grow and Develop

c)

Homeostasis

d)

Change Over Time

20.

Which characteristic is shown: A tadpole grows legs and becomes a fully grown frog.

a)

Homeostasis

b)

Grow and Develop

c)

Acquire and Use Energy

d)

Change Over Time

21.

Which characteristic is shown: A deer runs from a dog after hearing barking.

a)

Made of Cells

b)

Respond to a Stimulus

c)

Acquire and Use Energy

d)

Homeostasis

22.

Which characteristic is shown: A plant switches position and follows the sunlight throughout the day.

a)

Grow and Develop

b)

Respond to a Stimulus

c)

Acquire and Use Energy

d)

Reproduce

23.

Which characteristic is shown: Your body sweats to maintain body temperature.

a)

Respond to a Stimulus

b)

Homeostasis

c)

Made of Cells

d)

Change Over Time

24.

Which characteristic is shown: Carbon Dioxide is used in your blood to maintain the blood pH.

a)

Respond to a Stimulus

b)

Homeostasis

c)

Reproduce

d)

Grow and Develop

25.

Which characteristic is shown: Many bacteria have become resistant to the antibiotics we use.

a)

Respond to a Stimulus

b)

Made of Cells

c)

Change Over Time

d)

Homeostasis

26.
When many organ systems work together it can form...
a)
organ
b)
cells
c)
organ system
d)
organism 
27.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
28.
The basic unit of structure and function in the human body is the....
a)
organ
b)
organ system
c)
cell
d)
tissue
29.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
30.

Living things are made up of units called

a)

DNA

b)

Cells

c)

Homeostasis

d)

Seeds

31.
Over three years, Tim's height has increased from 5'4" to 5'11".
a)
All living things contain cells
b)
All living things maintain homeostasis
c)
All living things use energy
d)

All living things grow and develop.

32.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
33.
If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?
a)
increase the amount of iron in your blood
b)
spinach you eat
34.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
35.
Observations made during an experiment are considered:
a)
data
b)
problems
c)
conclusions
d)
questions
36.
The independent variable is the ONE thing you _____.
a)
change on purpose
b)
control or keep constant
c)
measure
37.
The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect 
a)
independent variable
b)
dependent variable
c)
control variable
38.
Why do we want to test one variable at a time?
a)
Because it is hard to setup a data table with more
b)
To know what is causing the changes. This helps us understand cause and effect.
c)
It is what has always been done
39.

Which is NOT a step in the scientific method?

a)

Conclusion

b)

Hypothesis

c)

Experiment

d)

Homeostasis

40.

Your hypothesis MUST be _________________________.

a)

silly

b)

testable

c)

a variable

d)

educational

41.

An experiment is a procedure used to test your _______________.

a)

control group

b)

observation

c)

curiosity

d)

hypothesis

e)

sense of humor

42.

A good or “valid” experiment will only have ________ Independent variable!

a)

1

b)

2

c)

3

d)

It doesn't matter!

43.

The ______________________ variable is the factor in the experiment that is being tested.

a)

dependent

b)

controlled

c)

independent

d)

scientific

44.

The ___________________ variable is the factor in the experiment that responds to the thing you’re testing.

a)

dependent

b)

controlled

c)

independent

d)

scientific

45.

The purpose of a control group is ____________________________________________.

a)

to live

b)

to make the experiment work

c)

controls are used as a basis for COMPARISON

d)

so that we know the results of the experiment are due to what we are testing

46.

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the dependent variable is _______________________________.

a)

the water

b)

the temperature of the water

c)

the number of plants that can live in the water

d)

the amount of salt in the water

47.

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the independent variable is _______________________________.

a)

the water

b)

the temperature of the water

c)

the number of plants that can live in the water

d)

the amount of salt in the water

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