Full Name:___________________________Date:___________________Period:_______
Unit 1 Test Review Key
Label each phrase below as the appropriate step to the Scientific Method.
1.
Lauren finds that light is broken into a prism in her textbook.
Research
2. Ralph discovers that his educated guess was incorrect.
Conclusion
3. Randall sees a pattern in the data, organizing it into a chart.
Analysis
4. Missy creates directions and steps to prove her hypothesis.
Experiment
5. Cody hears that the sound of the ambulance gets lower the farther it gets.
Observation
Match the tool to the correct units. There may be more than one line drawn to a unit.
6. Graduated Cylinder
7. Balance
(7)Grams
8. Scale
(9)Feet
9. Ruler
(6,11,13,14)Milliliters
10. Stopwatch
(9)Minutes
11. Beaker
(8)Pounds
12. Spring Scale
(12)Newtons
13. Beaker
14. Flask
Label each safety item as either preventative or emergency.
15.
Chemical Goggles
Preventative
16.
Antibacterial Soap
Preventative
17.
First-Aid Kit
Emergency
18.
Apron
Preventative
19.
Eye Wash Station
Emergency
20.
Biohazard Cleanup Kit
Emergency
Determine the Independent, Dependent, and Control for each situation.
21. Gerald is testing which type of ball rolls down a 3-foot ramp the fastest.
Independent:
Type of Ball
Dependent:
Distance
Control:
Ramp
22. Do sunflowers grow faster in the morning sun or the evening sun?
Independent:
Sunlight
Dependent:
Growth
Control:
Sunflowers, Water, Time, Soil
23. You want to test a new drug that supposedly prevents sneezing in people
allergic to grass.
Independent:
Type of Drug
Dependent:
Amount of Sneezes
Control:
Allergy, Allergen, Dosage
24. Julie wants to measure the effect of different amounts of atmospheric
pressure and how they affect transpiration in trees.
Independent:
Atmospheric Pressure
Dependent:
Transpiration
Control:
Type of tree, amount of water
Answer the following questions below.
25.
What is the difference between emergency and preventative equipment?
Explain below.
Preventative equipment keeps something bad from happening, while emergency
is used in response to an accident.
26.
What is the purpose of a fire extinguisher?
To put out larger fires, or fires not on people.
27.
What is a ​unique​ benefit of a beaker, a flask, and a graduated cylinder?
Beaker: Wide mouth
measurements
28.
Flask: Made for hand-stirring
What is the difference between mass and weight?
Mass is the amount of matter, weight is mass and force
Cylinder: precise