Unit 1 Chemistry

A Triple Beam Balance is 

• Used to measure the mass of an object
• Used to measure the volume of an object
• Used to measure the density of an object
• Used to measure the weight of an object

Which of the following  is the most accurate and precise for measuring the volume of a liquid?

• Beaker
• Erlenmeyer flask
• Graduated Cylinder
• Round bottomed flask

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-3

NGSS.HS-PS2-5

What step does every scientific experiment begin with?

• hypothesis

• question/problem

• procedures

• conclusion

In order to be accepted, a scientific theory must be

•  widely tested and supported by extensive data
•  based on the results of a single experiment
•  controversial and cause debate
•  in line with all previous historical ideas

Tags

NGSS.HS-LS4-1

NGSS.HS-PS2-1

What is liquid volume measured in? 

• kilograms and grams
• liters and milliliters
• liters and grams
• mililiters and kilograms

Tags

CCSS.8.EE.A.4

What is measured with a graduated cylinder?

• Passage of time
• Distance from one thing to another
• Weight of an object
• Volume of liquid

What is the reading of the meniscus?

• 36mL

• 45mL

• 35.0mL

• 30.5mL

Convert from meters to cm:  9 meters

• 900 cm
• 90 cm
• 0.9 cm
• 0.09 cm

Tags

CCSS.2.MD.A.2