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Quiz 1.7

Quiz 1.7 for Friday September 27th

What is mechanical energy? energy from MOVING parts, if something is moving, there's mechanical energy!
What is thermal energy? energy from HEAT
What is electrical energy? energy from electricity, if something plugs in or has a battery there is electrical energy!
What is a conductor? something that ALLOWs electricity to flow through freely
Examples of conductors? copper, steel, iron, other metals
What is an insulator? something that STOPS electricity from flowing
What are some adaptations that an animal living in water might have? scales and fins
How would you separate a mixture of sand and water? with a filter
If an object floats in water it is? less dense
If an object sinks in water it is? more dense
What processes on Earth does the Sun affect? evaporation, wind, plants making their own food
What happens to a solid when it's temperature is increased? it melts
What happens to a liquid when it's temperature is increased? it evaporates
Examples of things that are LESS dense than water include... lamp oil, vegetable oil, alcohol, wood, plastic
Examples of things that are MORE dense than water include... syrups, honey, glass, steel
What does soluble mean? CAN dissolve in water
What does insoluble mean? CANNOT dissolve in water
What are some properties of gases? they have mass, they take up space, they can expand, they can flow
What could a fossil of a shell or fish tell us about an area's past? the area was once covered in water
What does a closed circuit look like? it is a closed circular path that includes BOTH sides of the battery and BOTH sides of the lightbulb
What materials are needed to build a working circuit? battery, wires, light bulb
What supplies the power for a simple electrical circuit? the battery
What does a spring scale measure? force
Created by: mrsnowlin



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