Grammar (Verbs)
Paint
Painted, painted
Active or Passive?
Juanito eats pepperoni pizza.
Active
Which is our main source of energy?
The sun
Mention the three states of matter.
Solid, liquid, and gas.
Eat
Ate, eaten
Active or passive?
Beautiful houses are built near our school.
Passive
The energy produced by the movement of electric charges.
Electric energy
How are particles in the three states?
Solid: Very close together.
Liquid: A little bit separated.
Gas: Very separated.
Write
Wrote, written
Change into passive:
Ana drinks orange juice.
Orange Juice is drunk (by Ana).
This energy is contained in certain elements, such as uranium and plutonium.
Nuclear energy
This is the measurement of kinetic energy in particles.
Temperature
Sell
Sold, sold
Change into passive:
Boys write beautiful poems.
Beautiful poems are written (by the boys).
Potential energy is divided...
Elastic potential energy and gravitational potential energy.
The three forms of heat transfer.
Conduction, convection, and radiation.
Speak
Spoke, spoken
Change into passive:
The students spoke English.
English was spoken (by the students)
Mention the law of conservation of energy.
Energy can't be created or destroyed; it can only be transformed.
Corpuscular theory of matter.
Matter consists of small particles.
They are in constant motion.
Between them are empty spaces.
They are attracted by a force.