Unit 1

Question 1

You hypothesize that the temperature at which alligator's eggs are kept will determine the sex.

Accepted Answer

The dependent variable is the sex of the baby alligator.

Question 2

What should you do if you conclude that your results do not support your hypothesis?

Accepted Answer

Change your hypothesis, and test it

Question 3

What must you find out after conducting an experiment and collecting data?

Accepted Answer

if the results support your hypothesis

Question 4

In an experiment, the variable that we measure is called the

Accepted Answer

dependent variable

Question 5

The best graph to use if you wanted to compare prices of six different cars would be a...

Accepted Answer

bar graph

Question 6

The process of obtaining information by using the senses is called a(n)

Accepted Answer

observation

Question 7

An experiment testing only one factor at a time by using a comparison and experimental group is

Accepted Answer

an independent variable

Question 8

Conclusions for an experiment are only valid if...

Accepted Answer

the experiment is controlled, all o f the above

Question 9

Which question would be the best high level scientific question?

Accepted Answer

Does the amount of salt in water affect the temp. it boils?

Question 10

Your friends return from a canoe trip and are dripping wet. What INFERENCE might you make?

Accepted Answer

their canoe tipped over

Question 11

A good way to organize and record your results and observations is

Accepted Answer

in a data table

Question 12

In science, what is a scientific theory?

Accepted Answer

Well tested explanation for many hypotheses and observations

Question 13

An assumption made, based on the available evidence can be referred to as a(n)

Accepted Answer

inference

Question 14

When you decide whether or not the data supports the hypothesis, you are...

Accepted Answer

drawing conclusions

Question 15

In which step of the scientific method do we want to use graphs?

Accepted Answer

when we are analyzing the data

Question 16

Which of the following is NOT a rule when writing a hypothesis?

Accepted Answer

it should restate the question

Question 17

You conduct an experiment to determine how salt concentration affects the number of plants.

Accepted Answer

The independent variable is the salt concentration.

Question 18

How do you, as a scientist, objectively test a hypothesis?

Accepted Answer

by experimenting

Question 19

Facts, figures and evidence learned through observations are called...

Accepted Answer

data

Question 20

A series of logical steps that is followed in order to solve a problem is called the ...

Accepted Answer

scientific method

Question 21

Which of the following hypothesis is written correctly?

Accepted Answer

If a tennis ball is frozen, then it won't bounce as high.

Question 22

All of the things in an experiment that must be the same to make it fair are called...

Accepted Answer

controlled variables or constants

Question 23

Which statement best describes a theory?

Accepted Answer

it is well-tested and explains a wide range of observations

Question 24

In an experiment, the variable that is changed is called the

Accepted Answer

independent variable

Question 25

When you decide whether or not the data support your hypothesis, you are...

Accepted Answer

drawing a conclusion

Unit 1

Questions 25

Unit 1

Questions 25