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Biblioteka

Scientific Method Test

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Posljednje ažuriranje 9 months ago
52 questions

This formative assessment is designed to evaluate the understanding of fundamental scientific concepts, including the scientific method, lab safety, measurement, and data interpretation. The assessment consists of multiple-choice, short answer, and matching questions to ensure a comprehensive evaluation of the students' knowledge and skills.

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Read the description of a laboratory investigation below. Use this information to answer the following questions.

An experiment was designed to investigate the effect of caffeine on the heartbeat of puppies. Two litters of black Labrador puppies were used. These puppies were the same age, gender, and size. Litter A was given caffeine and Litter B was not. The heartbeat of the puppies was measured every hour for five hours.

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Convert the following measurements. Make sure to show all work and circle/box your answer so that it stands out.

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Pitanje 1
1.

What is the part of an experiment that serves as a standard for comparison?

Pitanje 2
2.

A testable prediction that predicts a cause and effect relationship between variables is a(n)...

Pitanje 3
3.

Where does the dependent variable go on a graph?

Pitanje 4
4.

Why is it advisable to use tongs when taking a beaker off a laboratory burner?

Pitanje 5
5.

A factor in an experiment that changes in response to the independent variable is the _____.

Pitanje 6
6.

Using the graduated cylinder on your page, pick the accurate and precise measurements below.

Pitanje 7
7.

If your lab partner's clothes catch on fire, you should first

Pitanje 8
8.

all of the following are steps in the scientific method EXCEPT

Pitanje 9
9.

The best type of graph to use to show the percentages of a whole is a

Pitanje 10
10.

A factor that does NOT change in an experiment is the

Pitanje 11
11.

The "cause" of the experiment, what we are purposefully manipulating or changing is the

Pitanje 12
12.

What is 78,900,000,000 expressed in scientific notation?

Pitanje 13
13.

Using the graph on the page, how many adults do NOT carpool to work?

Pitanje 14
14.

The speed of light is approximately 3.0 x 10^8

Pitanje 15
15.

Mrs. James wants to measure the volume of a liquid very precisely. What is the BEST lab equipment she could use to do this?

Pitanje 16
16.

Which of the following is a quantitative observation?

Pitanje 17
17.

What is the first thing you should always do before starting a lab?

Pitanje 18
18.

What does P.A.S.S. stand for?

Pitanje 19
19.

Shelley accidentally drops a test tube and it shatters. What two things should she make sure to do?

Pitanje 20
20.

What should you always do at the end of a lab?

Pitanje 21
21.

What is the SI unit for mass?

Pitanje 22
22.

What is the SI unit for length?

Pitanje 23
23.

What is the SI unit for temperature?

Pitanje 24
24.

Measure the length of the pencil using the ruler on the page. Make sure to include units in your answer.

Pitanje 25
25.

Match the correct vocabulary term to the definition.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Law

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Objective; based on information gathered using the five senses.

Theory

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Subjective; based on opinions or assumptions.

Waft

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Statement about how things happen in nature that seems to be true all the time.

Observation

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An explanation of why things happen based on knowledge gained from many observations and investigations.

Conversion factor

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Method for appropriately smelling unknown substances in lab.

Inference

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Ratios of equivalent values

Pitanje 26
26.

What is the independent variable in this experiment?

Pitanje 27
27.

What is the dependent variable in this experiment?

Pitanje 28
28.

Write a hypothesis, in the correct format, for this experiment.

Pitanje 29
29.

What is the control group in this experiment?

Pitanje 30
30.

What is the experimental group in this experiment?

Pitanje 31
31.

List TWO constants in this experiment.

Pitanje 32
32.

45 kg to g

Pitanje 33
33.

2,570 cm to hm

Pitanje 34
34.

331 K to C

Pitanje 35
35.

29 C to F

Pitanje 36
36.

3 miles to feet

Pitanje 37
37.

2.3 cups to L

Pitanje 38
38.

Convert 2,075,000 to scientific notation

Pitanje 39
39.

Convert 0.0041 to scientific notation

Pitanje 40
40.

Convert 1.17 x 10^-4 to standard notation

Pitanje 41
41.

Convert 9.081 x 10^7

Pitanje 42
42.

What is the name of this piece of lab equipment?

Pitanje 43
43.

What is this piece of lab equipment used for?

Pitanje 44
44.

What is the name of this piece of lab equipment?

Pitanje 45
45.

What is this lab equipment used for?

Pitanje 46
46.

What is the name of this piece of lab equipment?

Pitanje 47
47.

What is this piece of lab equipment used for?

Pitanje 48
48.

What is the name of this piece of lab equipment?

Pitanje 49
49.

What is this lab equipment used for?

Pitanje 50
50.

What is the name of this piece of lab equipment?

Pitanje 51
51.

What is this piece of lab equipment used for?

Pitanje 52
52.

Mr. Green wants to know how far he can run. He knows he can run 103,000 mm. How many miles can he run? Show all work if you want to receive credit.