Vocabulary quiz 1

What is the definition of opaque?

• Transparent and clear
• Allowing light to pass through
• Not able to be seen through; not transparent
• Reflecting light

What is the definition of Hypothesis

• an educated guess

• A proven scientific fact
• A mathematical equation
• A philosophical concept

What is the definition of a light meter?

• A device that measures the speed of light
• A device that measures the intensity of light
• A device that measures the color of light
• A device that measures the weight of light

What is the definition of absorb

• To take in or soak up
• To reflect or bounce back
• To emit or radiate
• To reject or repel

What is the definition for silvering?

• A process of coating a glass surface with a reflective material
• A method of polishing silver items
• A technique for extracting silver from ores
• A term for aging of silver items

Independent variables 

• Variables that depend on other variables
• Variables that can be manipulated in an experiment
• Variables that remain constant in an experiment
• Variables that are the result of an experiment

Dependent Variable

• An incoming that the researcher is trying to predict or explain

• A variable that is manipulated in an experiment
• what changes as a result of the independent variable manipulation in experiments

• A variable that is both manipulated and measured in an experiment

What is the definition of phenomena

• A fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question
• A type of dessert made from sweetened condensed milk
• A rare type of gemstone found only in certain parts of the world
• A term used in physics to describe the movement of particles in a wave

What is the definition of transmit?

• To receive information
• To ignore information
• To block information
• To send or forward information

What is the definition of transparent

• Allowing light to pass through so that objects behind can be distinctly seen
• Not allowing light to pass through
• Having the property of changing color
• Having the property of reflecting light