Unit 2 Scientific Method/Nature of Science

Question 1

On a graph, the dependent variable (measured numbers with units) goes on the y (vertical) axis.

Accepted Answer

True

Question 2

Sustainability means that we can use as much of our resources now and not worry about the future.

Accepted Answer

False

Question 3

A chemical is tested on apple trees to see if increases amount of apples. The dependent var.?

Accepted Answer

the amount of apples produced

Question 4

The most important thing during lab experiments is:

Accepted Answer

safety

Question 5

Does music affect amt. of tomatoes produced by tomato plant? Dependent variable is?

Accepted Answer

amount of tomatoes produced

Question 6

The variable that is measured is called the ____________variable.

Accepted Answer

dependent

Question 7

Science is based on

Accepted Answer

logic and reasoning

Question 8

The scientific method is:

Accepted Answer

a way to solve problems

Question 9

Scientific Knowledge doesn’t ever change.

Accepted Answer

False

Question 10

Experiment testing if chemical has effect on apples produced. Control group is?

Accepted Answer

the second tree that did not receive chemical

Question 11

Experiment of caffeine's effect on heart rate of worm. Dependent variable is:

Accepted Answer

heart rate

Question 12

The variable that you decide to manipulate or change is called the ______________variable.

Accepted Answer

independent

Question 13

Scientific ideas are supported, not “proven”.

Accepted Answer

True

Question 14

A(n)___ is testable idea that attempts to explain phenomenon or answer a scientific question.

Accepted Answer

hypothesis

Question 15

On this bar graph-the independent variable is _______.

Accepted Answer

The different kinds of pets

Question 16

The study of our environment and how we affect it and how it affects us is:

Accepted Answer

Environmental Science

Question 17

Add fertilizer to pond1 to compare the algae growth to pond2 with no fertilizer. Amt. of algae?

Accepted Answer

dependent variable

Question 18

Experiment of how humidity affects growth of redwood trees. Dependent variable?

Accepted Answer

height of redwood trees

Question 19

The steps of the scientific method in order are:

Accepted Answer

problem, hypothesis, experiment, data, conclusion, retest

Question 20

When deciding to test an independent variable, how many variables should you test at one time?

Accepted Answer

only 1 at a time

Question 21

This part of the CER is data or information used to support the claim.

Accepted Answer

evidence

Question 22

Experiment to see if humidity affects redwood tree growth. Independent variable is?

Accepted Answer

humidity levels

Question 23

In an experiment testing the effect of chemical sprays on apple yields. The independent var. is

Accepted Answer

the chemical

Question 24

A good hypothesis doesn’t have to make logical sense.

Accepted Answer

False

Question 25

This part of the CER includes scientific principles, concepts, vocab words.

Accepted Answer

reasoning

Question 26

This part of the CER answers the key question.

Accepted Answer

claim

Question 27

Which steps are usually near the beginning of a scientific investigation?

Accepted Answer

observing and questioning

Question 28

Experiment testing effect of caffeine on heartrate of earthworm. Gr. 1-no caffeine.Gr. 2-caff.

Accepted Answer

The experimental group is: Group 2

Question 29

Does music affect the amount of tomatoes produced by tomato plant? Independent variable is?

Accepted Answer

music

Question 30

Which of the following is an example of quantitative data?

Accepted Answer

There are 3 tulips.

Question 31

On This bar graph-the dependent variable is _____.

Accepted Answer

The number of people

Unit 2 Scientific Method/Nature of Science

Questions 31

Unit 2 Scientific Method/Nature of Science

Questions 31