physical science and chemistry Quiz

an organized plan used for gathering, organizing, and communicating information

• scientific method

• observation

• hypothesis

information obtained through the senses

• observation

• model

• hypothesis

a proposed answer to a question

• hypothesis

• model

• scientific method

a way of expressing a value as the product of a number between 1 and 10 and a power of 10

• scientific notation

• accuracy

• precision

the closeness of a measurement to the true value of what is measured

• accuracy

• precision

• model

SI Units of volume

• gallons

• liters

• Kilograms

• pounds

SI Units of mass

• gallons

• liters

• Kilograms

• pounds

Measurements that are repeated and close to each other can be defined as:

• accurate
• accurate and precise
• precise
• estimated

Which must you do first in the scientific method? 

• form a hypothesis
• experiment
• observation
• research data

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• Plant growth
• The amount of sunlight
• The type of music
• The type of liquid