What is a property?
anything you can see or measure
What do all conductors have in common?
They allow electricity or thermal energy to flow.
What would be an easy way to separate iron filing and sand?
With a magnet
Describe mechanical energy
When something is moving
Which type of light energy bends?
refraction
Which one keeps its physical properties?
A mixture or a solution
A mixture
Which type of light energy bounces back?
Reflection
Name 2 substances that are soluble in water.
salt, sugar, laundry detergent, chocolate milk mix, kool-aid mix, etc.
What phase a matter has a definite volume and shape?
A solid
What will happen if you mix oil and water together.
The oil will stay on top because it is less dense
What 3 things does a circuit need to work?
Power source (battery), path way (wire), out put (light bulb)
Name 2 substances that are insoluble in water.
Sand, pepper, etc.
Name two metals that are magnetic
Iron, cobalt, steel, nickel
What is the amount of matter in something?
Mass
What is the best way to separate the solution of saltwater?
With heat/ evaporation
What is the type of energy has moving electrons?
electrical energy
What is the difference between and open and closed circuit?
An open circuit does not work(not electricity can flow through) and a closed circuit will work ( the electricity will flow through.
What is relative density?
Whether something will sink or float in water
What do all insulators have in common?
They all stop or slow the flow of electricity.
Ms. Goodman is cooking on her stove. She is trying to decide whether to use a plastic spoon or a metal spoon. Which one would be best AND why?
Plastic, because its a good thermal insulator
Tell how you would separate the mixture of salt and pepper once it is mixed. Think about this one (You should have 3 steps).
1. Dissolve the salt in water
2. Pour water through a filter to catch the pepper
3. Evaporate the water to get the salt back
Mechanical
Electrical
Light
Thermal
Sound
What is the definition of energy?
The ability to do work or cause change.