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Unit 1-Got Caffeine?

Total questions: 30

Worksheet time: 23mins

Name
Class
Date
1.
Which of the following is an observation of the picture?
a)
The person is wearing a T-shirt
b)
It is a sunny day
c)
The person is going to a birthday party
d)
The gift is a DVD player
2.

What is an inference?

a)

Just a guess.

b)

A statement of conclusion based off of your observations.

c)

The same as an observation.

d)

Examples of something.

3.
The flowers are green and blue. 
a)
Qualitative
b)
Quantitative 
4.
There are 25 Liters of water in the buckets. 
a)
quantitative 
b)
qualitative 
5.
A student placed 50 mealworms in the middle of an aquarium containing a light, a cardboard tube and a water dish.  He waited five minutes and then recorded the data for the first trial in the table above.  The student repeated this procedure two more times, and recorded the results.  Read the results of all three trials.  Which inference could you make about mealworms based on the results.
a)
The mealworms probably prefer the darkness of a cardboard tube.
b)
There were 6 mealworms under the light in trial 2. 
c)
Mealworms love water. 
d)
There were 36 more mealworms in the cardboard tube versus the light in trial 3.
6.
Jeff is 6 feet 2 inches is a ___________ assesment
a)
Qualitative
b)
Quantitative
7.
The cake has a sweet smell is a _______ assessment. 
a)
Qualitative
b)
Quantitative
8.
The type of variable that you change or manipulate in an experiment.  It is what you are testing.
a)
Independent
b)
Dependent
c)
Control
9.
The type of variable that responds to the experiment and is what you measure to determine if your hypothesis is true.
a)
Independent
b)
Dependent
c)
Control
10.
The parts of the experiment that must be kept the same.
a)
Constants
b)
independent
c)
Dependent
11.
If I water the plant more often, then it will grow taller.  Name the independent variable.
a)
The height of the plant
b)
The size of the pot
c)
The amount of water
d)
The amount of light.
12.
Which of these is not an observation.
a)
There are footprints.
b)
The person was dizzy.
c)
The footprints are black.
d)
There are dots.
13.

Which of these would be the proper way to write a hypothesis

a)

I think the water will make the plant grow.

b)

Watering plants will make them grow better.

c)

If I add more water, then the plant will grow taller.

d)

Maybe water will make a plant grow taller.

14.
What is a factor that is measured for change in an experiment?
a)
control
b)
constant
c)
independent variable
d)
dependent variable
15.
What is an if....then statement that predicts the outcome of an experiment or how the Independent variable effects the dependent variable?
a)
Conclusion
b)
Materials
c)
Hypothesis
d)
Problem
16.

Peer review is:

a)

not important in science

b)

an assessment of an article, presentation, research, or experiment by qualified experts

c)

the process of sharing questions, hypothesis, data, procedures and conclusions with other scientists or the public

17.
Which question can best be investigated by a scientist?
a)
Should I buy a red shirt or a green shirt?
b)
Does chocolate milk or plain milk taste better?
c)
Does a plant need sunlight to grow?
d)
Which feels softer, cat fur or dog fur?
18.
An experiment for a new asthma medication was set up into two groups. Group one was given the new drug for asthma, while group 2 was given a sugar pill. The sugar pill serves as a 
a)
control
b)
dependent variable 
c)
experimental variable
d)
constant
19.

Eiko is doing an experiment to determine the best fertilization plan for bean plants.


She will test four groups of four plants using this schedule.


Which group is the control group?

a)

Group A

b)

Group B

c)

Group C

d)

Group D

20.
Using prior knowledge + observations to draw conclusions
a)
Hypothesis
b)
Inference
c)
 Observation
d)
Prediction
21.
able to be shown to be false; for example, 'emus are flightless birds ' is falsifiable statement because it could be shown to be false if someone were to discover a flying emu
a)
empirical method
b)
verify
c)
positivism
d)
falsifiable
22.

What type of graph shows trends over time?

a)

Circle graph

b)

Line graph

c)

Bar graph

23.
At one point in time, many people thought disease was caused by fate or by incorrect behavior. Following the invention of the microscope, bacteria were discovered. After this, a new theory of what causes disease arose that was known as the germ theory.  Why was the original theory modified? 
a)
It quickly became obvious that germs cause disease.
b)
The person who invented the microscope became ill.
c)
New evidence prompted revision to the original ideas.
d)
The proponents of the germ theory had political power.
24.

Which type of container keeps liquid the hottest for the longest time?

a)

Bag

b)

Cooler

c)

Cooler and bag are tied

d)

Styrofoam

25.

What conclusions can you draw from this graph?

a)

The deer population went down over time.

b)

The deer population went up over time.

c)

The dear population went up quickly, then down, but then stayed the same.

d)

There are less dear because of hunters

26.

You want to make a graph for an experiment you did about plant growth over a two week period of time. What type of graph would you use?

a)

bar graph

b)

line graph

c)

pictograph

d)

pie chart

27.

You cannot get addicted to caffeine

a)

True

b)

False

28.

What is adenosine?

a)

a chemical made in the brain which increases each hour you're awake

b)

a chemical that makes you feel sleepier as the day goes on

c)

a chemical that triggers hunger pains in your stomach

29.

What does "correlation does not imply causation" mean?

a)

correlation and causation have nothing to do with each other

b)

Just because two variables are following a similar trend does NOT mean that one is causing the other to happen

c)

One variable causing a change to another variable is the same thing as a correlation

30.

What are neural connections?

a)

things that help make you healthier

b)

the trillions of signals in your brain that create your thoughts, feelings, memories & actions

c)

when you spend time with a friend and get to know someone

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