Vocabulary List 1 Flashcards Preview

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Flashcards in Vocabulary List 1 Deck (28):


to join things together

(e.g., Can you connect the hose to the sprinkler? Connect the cable to the battery.)



to lift up; to increase something

(e.g., Raise your hand if you know the answer. The men raised up the walls with pulleys.)


ascend (v.)

to go up

(e.g., They watched their balloons slowly ascend into the sky. Most people are able to ascend [=climb] the mountain in less than four hours.)


descend (v.)

to go down

(e.g., Wait for the elevator to descend. The workers descended into the hole.)


conventional (adj.)

the standard (usual) way of doing things

(e.g., Today, many patients seek healing through both alternative medicine and conventional medicine. [=the usual methods of healing or treating disease that are taught in Western medical schools])


eliminate (v.)

to get rid of

(e.g., Doctors are looking for ways to eliminate flu viruses. The body naturally eliminates waste products.)


superior (adj.)

better than/ the best

(e.g., The new model is superior to the old one. He thinks he's superior to everyone else.)


energy-efficient (adj.)

requires low energy

(e.g., Hybrid cards are more energy-efficient than cars with standard gasoline engines.)


enhance (v.)

to increase or improve something

(e.g., You can enhance the flavor of the dish by using fresh herbs. The image has been digitally enhanced to show more detail.)


reduce (v.)

to make something smaller

(e.g., The medicine reduces the risk of infection. We are trying to reduce our debt.)


insulation (n.)

something that stops heat, electricity, or sound from going into or out of something else

(e.g., The copper wire's insulation keeps electricity from going to your hands. House walls have insulation so people can stay warm inside.)


slit (n.)

a long narrow cut

(e.g., Create a slit on the potato so you can put a penny in it. The skirt has a slit on one side.)


multimeter (n.)

a tool that is used to measure electric current, voltage, and resistance

(e.g., The students used a multimeter to measure the voltage produced by the potato battery.)


strip (v.)

to remove

(e.g., Strip the insulation from the copper wires. I stripped the sheets off the bed.)


trace (v.)

to draw the outline of something

(e.g., Trace the zinc washers on the cardboard.) The children traced their hands onto the sidewalk with a chalk.)


cathode (n.)

the part of a battery that accepts electrons

(e.g., In the potato battery experiment, the copper was the cathode and zinc was the anode)


anode (n.)

the part of a battery where electrons leave

(e.g., In the potato battery experiment, the copper was the cathode and zinc was the anode)


electrolyte (n.)

a liquid through which electricity can pass

(e.g., The electrolyte in the experiment were potato juice and vinegar)


allow (v.)

to make it possible for an object to do something

(e.g., The system allows you to transfer data easily from one computer to another.)


prevent (v.)

to stop something from happening

(e.g., Seat belts in cars often prevent serious injuries. Can exercise and a healthy diet prevent heart disease?)


enable (v.)

to make it possible for an object to do something

(e.g., The machine enables us to create copies without losing quality. The system enables students to access class materials online.)


ensure (v.)

to make something sure, certain, or safe

(e.g., They took steps to ensure the safety of the passengers.
We want to ensure [=make certain/sure] that it doesn't happen again.)


What things are made of copper?

pennies, electrical wires


What things are made of aluminum?

kitchen foil, coke cans


What things are made of timber?

wooden furniture


What things are made of rubber?

rubber band, erasers, tires


ore (n.)

rocks that contain metals


What is bronze made out of?

bronze = copper + tin