Free Printable Chapter 1 & 2 Test

Worksheets

Chapter 1 & 2 Test

Total questions: 31

Worksheet time: 16mins

Name

Class

Date

For her science project, a student collects data on deer spotted in a field each day. For the first five ays of her study, she counted 23. 16, 18, 27, and 19 deer. What type of observation do thee data represent?

inferred observation

qualitative observation

classified observation

quantitative observation

Explaining or interpreting the things you observe based on reasoning from what you already know is called

observing

inferring

predicting

classifying

Which is an example of using ethics in experiments?

making sure other scientists can repeat the experiment

taking care that no animals are harmed

storing samples under controlled conditions

making sure that only useful data are collected

One variable that is purposely changed to prove a hypothesis is the ____________________ variable

independent

subjective

dependent

objective

Observations that deal with descriptions that cannot be expressed in numbers are called

relative observations

quantitative observations

qualitative observations

evidence observations

Trying to explain why a solar eclipse occurs is an example of

a prediction

an experiment

scientific inquiry

classification

The metric system is based on what number?

100

In science, a fact is

not testable

the same as a variable

a strong hypothesis

a confirmed observation

Which of the following would you measure using a meter stick?

volume

mass

length

themperature

10.

You measure the length of a string three times and get values of 34.0 cm, 34.1 cm, and 34.2 cm. The actual length is 39.0 cm. What can you say about your measurements?

They are accurate but not precise

They are precise but not accurate

They are both accurate and precise

They are neither accurate and precise

11.

What does it most likely mean if a graph shows no identifiable trends?

There are more than two variables

The graph has no use or value

There is no relationship between the variables

There is a strong relationship between the variables

12.

Which two types of data can be displayed by graphs?

population data and numerical data

categorical data and temperature data

categorical data and numerical data

categorical data and climate data

13.

Scientists use which of the following to examine models of complex systems?

simple models

computer programs

graphs

diagrams

14.

If an accident occurs in your classroom, what is the first thing you should do?

start first aid treatment

go to the nearest hospital

find the emergency equipment

notify your teacher

15.

Which of the following would you measure using a graduated cylinder?

volume

mass

length

temperature

16.

For which of the following would the kilometer be the most appropriate unit of measure?

the wing span of a hummingbird

the heigh of a very tall person

the length of an ant

the distance from Cleveland to Cincinnati

17.

If a shoe box measures 2 cm high, 3 cm wide, and 10 cm long, what is its volume? Use the formula V = l x w x h

(a)

18.

Just as in the lab, safety is also important when doing activities in the (a) .

19.

The percent difference between the known value and its measure value is called the (a) .

20.

True or False: The SI system is a non standard measurement system.

false

true

21.

Line graphs can help you identify (a) and make predictions.

22.

A diagram is one way to (a) a system.

23.

A mistake in the design of an experiment that makes a certain result more likely is called (a) bias.

24.

Scientists who possess the attitude of (a) are eager to learn more about the topics they study.

25.

Proposing an explanation for the changing colors of the sky is an example of a (a) .

26.

On characteristic of a scientific (a) is that it is well-tested.

27.

(a) is the process of grouping together items that have similar characteristics.

28.

What do you find when you add the data points and divide by the number of data points?

mean

median

mode

range

29.

What do you find when you put the data points in order from least to greatest, then find the middle number?

mean

median

mode

range

30.

What is a data point that occurs the most often called?

mean

median

mode

range

31.

What do you find if you subtract the largest and smallest data points?

mean

median

mode

range

Reset

Chapter 1 & 2 Test

Total questions: 31

Worksheet time: 16mins

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