Jake Drake Know It All electromagnets Definition i

Jake Drake, Know It All

electromagnets Definition: • (i • lek’ • trō • mag’ • nits) n. plural of electromagnet: a piece of iron with wire wound around it. It becomes a magnet when an electric current is passed through the wire. Sentence: • The electromagnets were used as part of the scientist’s experiment.

Definition: squinted • (skwint’ • ǝd) v. past tense of squint: to partially close the eyes Sentence: • I squinted my eyes a lot while I was in the car because the sun was so bright.

observe Definition: • (ǝb • zûrv’) v. to make a careful study of Sentence: • The judges will observe our experiments at the science fair.

crane Definition: • (krān) n. a large machine with a long arm that can be moved up and down and in a circle; cables at the end of the crane’s arm are used to lift and move heavy objects Sentence: • They used big cranes to unload the cargo from the freighter.

hypothesis Definition: • (hī • poth • i • sis) n. something that is suggested as being true for the purposes of further investigation. Sentence: • Every good scientist will make a hypothesis before starting an experiment.

munchkin Definition: • (munch’ • kin) n. a small person Sentence: • The first time Dorothy ever saw a munchkin was in the Land of Oz.

positive Definition: • (po’ • zi • tiv) adj. having one of two opposite kinds of electric charge Sentence: • I had to insert the positive side of the battery first into the appliance.

negative Definition: • (neg’ • ǝ • tiv) adj. having one of two opposite kinds of electric charge Sentence: • A negative charge is represented by a minus sign.

practically Definition: • (prak’ • tik • lē) adv. nearly; almost Sentence: • I told my mom not to worry because I was practically home already.

conclusions Definition: • (kǝn • klōō • zhǝns) n. plural of conclusion: something decided after thinking and experimenting Sentence: • The class came up with three different conclusions for their week-long experiment.