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Science Review Q1

Fourth Grade

QuestionAnswer
What has a definite shape? solid
What has a definite volume? solid and liquid
What has a shape that can change? liquid and gas
What has no definite volume? gas
What can flow? liquid and gas
How can you separate a mixture of sand and water? filter
How can you separate a mixture of iron fillings and sand? magnet
How does mechanical energy convert to another form? wind turbines
How does thermal energy convert to another form? heat, stove, sun, campfires
How does sound energy convert to another form? bird chirping, radio
How does electrical energy convert to another form? hair drier
Describe the energy transformations that occur when a computer is plugged in and turned on. electrical
What is a form of mechanical energy? throwing a ball
What is a form of electrical energy? a charging cell phone
What is a form of light energy? the ability to see
What is a form of thermal energy? heat from the sun
What is a form of sound energy? the tune from a guitar
When thermal energy increases, a popsicle changes from a ____________________________. solid to a liquid
Which science tools are used for safety? googles, aprons, gloves
Which science tools are used for observation? notebook, hand lens, terrarium
Which science tools are used for measurement? tape measure, triple beam balance, graduated cylinder, stop watch
Is a bird's flapping wings an example of mechanical energy? yes
Is a cedar tree absorbing sunlight an example of mechanical energy? no
Are the spinning blades on a fan an example of mechanical energy? yes
Is using a wheel barrow to move heavy rocks an example of mechanical energy? yes
Is an alarm clock playing a song an example of mechanical energy? no
Is a goldfish swimming in an aquarium an example of mechanical energy? yes
Created by: cats2021
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