Electricity & Energy
Finish the sentence.
A closed circuit allows _______ to pass through.
electricity
If I combine 2 or more substances that do not lose their identifying characteristics, it is classified as a ________.
mixture
How many major layers does earth have?
Four
The tool used for measuring air temperature is called?
a thermometer
Use a synonym to complete the sentence below.
Light can refract or ___________.
bend
I could make a simple circuit with bulb, wire and _________
battery
One substance, such as salt or sugar, that has been dissolved completely in a liquid forms a _____________.
solution
True or False?
Tectonics plates keep the earth sturdy so they do not move.
False
The day-to-day state of the atmosphere in a certain area is called the ____________.
weather
When light does not pass through material, the material is said to be _______________.
Is silver a conductor or insulator?
conductor
The substance that gets dissolved in a solvent to form a solution is called the ___________.
solute
The hottest part layer of the earth is the _________ ___________.
inner core
People who study the weather are called ______________.
meteorologists
Complete the sentence below.
We use solar panels to transform radiant energy (in sunlight) into ___________ energy to power homes and buildings.
electrical
A fan transforms electrical energy into what other type of energy?
mechanical energy
Complete the sentence.
_______________ is known as the universal solvent because it can dissolve many many things.
Water
Which type of rock is formed as magma or lava cools and hardens?
Igneous rock
____________ is the average weather in a certain area over a long period of time (at least 30 years).
Climate
__________ objects reflect almost all colors while ____________ objects absorb almost all.
White, black
A lamp transforms electrical energy into what other type of energy?
radiant energy
State whether the following statement is true or false.
Mixtures are found in daily life as solids such as alloys, liquids such as milk and gases in the atmosphere.
True
Which type of rock is formed by sediment cementing together?
Sedimentary rock
The instrument used for measuring wind speed is called?
an anemometer
When light can partially pass through an object, the object is said to be ______________.
translucent