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Worksheets

Mid Term 1 (Trimester 1) 2022

Total questions: 24

Worksheet time: 31mins

Name
Class
Date
1.

What is the scientific method?

a)

A systematic procedure for how to conduct a scientific experiment

b)

A logical series of steps to solve problem

c)

A way of making non-scientific observations

d)

A way to summarize findings from multiple investigations

2.

What is a hypothesis?

a)

An educated prediction or answer to a testable question

b)

A random guess

c)

An observation based on feelings or emotions

d)
3.

An observation that is measurable and made with tools (such as a ruler or scale) is what type

a)

quantitative

b)

qualitative

c)

koalatative

4.

After the data is analyzed the hypothesis is stated as correct or incorrect in the __________

a)

conclusion

b)

experiment

c)

hypothesis

d)

table of contents

5.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
6.
This is the group that we will compare our experimental group to. This group stays "normal."
a)
Control Group
b)
Experimental Group
c)
 Normal Group
d)
Weird Group
7.

This is the group that is affected by the variable or the group that is changed.

a)

Control Group

b)

Experimental Group

c)

Changed Group

d)

Cool Group

8.

What is an observation?

a)

A scientific statement based on ideas

b)

Using your senses to notice what is going on around you

c)

To be unaware of your surroundings

d)

The question that you want an answer to.

9.

Study of the processes of living things

a)

inorganic chemistry

b)

biochemistry

c)

organic chemistry

d)

analytical chemistry

e)

physical chemistry

10.
This is the last step in the scientific method
a)
Draw a conclusion
b)
Record your data as results
c)
Share what you have learned with others
d)
Collaborate with others
11.
The graph below shows atmospheric carbon dioxide levels since the year 1880.Which of the following conclusions can be drawn from this graph
a)
 Atmospheric carbon dioxide levels are responsible for global temperature change.
b)
 Atmospheric carbon dioxide levels have been rising at about the same rate for the past century.
c)
Atmospheric carbon dioxide levels have remained the same over the past century.
d)
 Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.
12.
Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. Her hypothesis was that pulse rate would change with different types of music. Each person listened to seven different selections of music for 30 seconds each. Each person’s pulse was taken before the music and then after each 30-second interval of music. The pulses were taken again after the music selections were completed. Based on her experiment, Carmen concluded that a person’s pulse rate changed when the person listened to different types of music.  Which component is missing from Carmen’s experiment?
a)
a question
b)
a hypothesis
c)
a control group
d)
a description of the experiment
13.

Chemistry is a branch of science to study

(I) Interactions between matter

(II) Structure of matter

(III) Composition of matter

(IV) Properties of matter

a)

I, II, and III

b)

I, II, and IV

c)

II, III, and IV

d)

I, II, III, and IV

14.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
15.
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
16.
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
17.

What was the study that led to the founding of chemistry?

a)

biology

b)

physics

c)

alchemy

d)

history

18.

A scientist who wants to study the effects of fertilizer on plants sets up an experiment. Plant A gets no fertilizer, Plant B gets 5 mg. of fertilizer each day, and Plant C gets 10mg. of fertilizer each day. Which plant is the control group?

a)

Plan A

b)

Plant B

c)

Plant C

d)

All of them

19.

Jackson and Mia want to do an experiment to determine how the temperature of water affects how much salt can be dissolved in it.

In what order should they perform the following steps?

Step 1: With a teacher's help, bring the water in one of the beakers to the boiling point.

Step 2: Pour equal amounts of water into two identical beakers.

Step 3: Record how many half-teaspoons of salt are completely dissolved in each beaker.

Step 4: Gradually put salt into the water of each beaker, a half-teaspoon at a time.

a)

4,2,1,3

b)

2,1,4,3

c)

2,4,1,3

d)

1,2,4,3

20.

“ It feels smooth”

a)

Qualitative

b)

Quantitative

21.

The mass of the chocolate cake is 250 g.

a)

Qualitative

b)

Quantitative

22.
Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct?
a)
Quantitative observations use numbers, qualitative uses the senses.
b)
Quantitative observations use the senses, qualitative uses numbers.
c)
Quantitative observations use measurement, qualitative uses numbers.
d)
Quantitative observations use colors, qualitative uses the senses.
23.

The scientific method is consider to be an (a)   process because is like a cycle and you can always go back at any step.

24.

The branch of chemistry which deals with the study of carbon compounds is ?

a)

Biochemistry

b)

Organic Chemistry

c)

Inorganic Chemistry

d)

Polymer Chemistry

e)

Physical Chemistry

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