Physical Science Ch 1 Review

Question 1

What is the scientific method?

Accepted Answer

Series of steps that scientists use to solve & awnser problems

Question 2

It doesn't matter if you have a control group or not.

Accepted Answer

False

Question 3

The SI base unit of length is...

Accepted Answer

meter

Question 4

What are main topics of this chapter?

Accepted Answer

Conversion factors, Setting up experiments, Scientific method, Graphs

Question 5

How are a hypothesis and a theory similar?

Accepted Answer

They are attempts to explain natural phenomena.

Question 6

Which option is an important thing to have on every graph?

Accepted Answer

Labels

Question 7

When do you start the scientific method?

Accepted Answer

When you have a question

Question 8

The dependent variable is the variable that you change between trials.

Accepted Answer

False

Question 9

Which unit will be best to measure the distance a car travels?

Accepted Answer

Km

Question 10

What occurs when the expectations of a scientist change how the results of an experiment are viewed?

Accepted Answer

bias

Question 11

What is the right conversion for 1,250 L

Accepted Answer

1.250 KL

Question 12

Which unit will be best to measure the volume of a gas tank?

Accepted Answer

KL

Question 13

What is important factor to remember when testing animals?

Accepted Answer

ethical issues

Question 14

What conversion factor would you use to convert from milli- to the base unit?

Accepted Answer

1 base / 1000 milli

Question 15

The x-axis is the dependent variable.

Accepted Answer

False

Question 16

Scientists can answer questions like "Is this a good song?"

Accepted Answer

False

Question 17

An experiment to see if the popping corn is affected by the temperature its stored at, what is the dependent variable?

Accepted Answer

Popping corn

Question 18

Which unit will be best to measure the weight of an elephant?

Accepted Answer

Kg

Question 19

The horizontal axis is the independent variable.

Accepted Answer

True

Question 20

Which unit will be best to measure the amount of salt added to a beaker?

Accepted Answer

grams

Question 21

An experiment to see if the popping corn is affected by the temperature its stored at, what is the independent variable?

Accepted Answer

Temperature

Question 22

Explanations of natural phenomena supported by large amounts of data are called __________.

Accepted Answer

Theories

Question 23

Use dimensional analysis to find the conversion.

Accepted Answer

4,928 ft/min

Question 24

Knowing the amount of rain fall in an area can be helpful to know when to plant crops.

Accepted Answer

True

Physical Science Ch 1 Review

Questions 24

Physical Science Ch 1 Review

Questions 24