Mixtures&Solution
A mixture of iron filings and sand can be separated using what type of tool?
Magnet
What form of energy can be used to keep warm?
Thermal Energy
What do you call objects that allow all light to pass through them?
Transparent
Where type of energy is found in a batter?
Electrical Energy
What form of energy drives the water cycle?
Thermal Energy
If two substances are mixed together and one dissolves is it considered a mixture or a solution?
Solution
Which of the following forces is responsible for leaves falling off of a tree?
A Inertia
B Gravity
C Friction
D Motion
B. Gravity
What is the term for when light passes through a medium? Reflection or Refraction
Refraction
True or False.
In a complete circuit. There is a constant flow of charged particles flowing through a circuit.
True
What step happens after evaporation?
Condensation
What is the best way to separate a solution of salt and water?
Evaporating the water or boiling the water.
An insulator does not allow electricity to pass through it easily. Which of the following would make a good insulator?
A Iron nail
B Copper coin
C Rubber glove
D Metal doorknob
C. Rubber Glove
What is the term for when light bounces off a surface.
Reflection
Which of the following is a good insulator of ELECTRICAL ENERGY. An iron nail or a rubber eraser.
Rubber Eraser
True or False
In the water cycle, evaporation is the process of water falling from the atmosphere.
False
True or False.
When sugar dissolves in water, its particles spread out evenly in the water.
True
Name the 5 forms of Energy.
Mechanical
Electrical
Light
Thermal
Sound
What tool can be used to separate light into different colors?
Glass Prism
What two forms of energy are produced by the light bulb in the complete circuit?
Light Energy and Thermal Energy
A student uses a triple beam balance to measure the mass of an ice cube. The student records the mass of the ice cube as 7 grams. The student then allows the ice cube to melt and measures the mass of the melted ice cube. What was the mass of the water after it melted?
7 grams
A student mixes a substance with water. After stirring it a few moments, it seems to disappear. Which property is the student demonstrating?
Solubility
What form of energy is needed to flip a switch on the wall?
Mechanical Energy
Provide an example of an object that can refract light.
Water
Glass
Glasses
Lens
Circuits can produce ________, ________, and _________ energy.
Light, Sound, and Thermal Energy
Oceans, Lakes, Rivers