Practice Test

SCIENCE BASICS PRACTICE TEST

______

Name Date Period

Section / Score / I would like to Retake / Retake Score
Scientific Method / /19 / /19
Safety pg 1 / /7 / /7
Safety pg 2 / /8 / /8
Unit Conversions / /11 / /11
TOTAL / /45 / /45

SCIENTIFIC METHOD

List and explain each step of the scientific method

What are the 3 different types of experiments/studies?

Explain the benefits and drawbacks for each type of experiment/study.

Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.
(1pt)What was the initial observation?

______
(1pt)Control Group: ______

(1pt)Independent Variable: ______

(1pt)Dependent Variable: ______

(1pt)What should Homer's conclusion be? ______

What is an independent variable?

What is a dependent variable?

How are independent and dependent variables connected?

Explain the difference between a control group and an experimental group.

Why do you need a control group?

SAFETY

When do you need to where safety goggles?

For an eye wash to be effective, how long must you rinse for?

What is the appropriate attire for a lab day?

How are you to transport hot items in this class?

Why is important to use the tools in the lab for their intended purpose and not for something else?

If something breaks in the lab, what do you need to do?

Why do you need to wash and dry the glassware before and after each lab?

What do you need to do if something glass breaks during the lab?

Why aren’t injuries acceptable?

What can cause accidents and injuries?

In case of fire, what do you need to do?

In the event that Mr. Markley is on fire, where is the fire extinguisher?

Describe the proper route for escaping/evacuating during a Fire?

Where/how do you dispose of hazardous waste?

Why are you not allowed to perform experiments that are not in the directions for a lab?

METRIC SYSTEM

What are the three main (base) units of the metric system?
Weight: Length:Volume:

Convert 3 days into seconds

Convert 146 kg into grams

Convert 146 kg into lbs (hints 2.2 lbs = 1 kg)

Convert 100 meters into centimeters (cm)

Convert 100 meters into inches (*hint* 1 in = 2.54 cm)

How many feet per second are covered if you are going 23 miles per hour?

Tough one: the american river can flow at a speed of 3200 gallons per minute. How many liters per hour is this?