Unit 1 Lesson 4 SEET Quiz P6

If two objects repel one another, what must be happening on the subatomic scale?

• the two objects have the same charge (both are positive or both are negative)

• one of them is made of sticky tape

• one object is positively charged and one is negatively charged

• one of them has a 1+ charge and the other is a 2-

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

Which sentence best explains why a stream of water is attracted to a balloon that has been rubbed on your hair?

• the balloon is negatively charged and it attracts the positive charges in the water

• both the balloon and the water are negatively charged

• both the balloon and the water are positively charged

• both the balloon and the water have a neutral charge

Tags

NGSS.HS-PS2-4

Which of these explanations BEST explains charge on the subatomic scale? (NOTE: All answers may be “true” but only one deals with the subatomic scale)

• Since the objects attract one another, they must be oppositely charged, which means electrons have been transferred from atoms of one object to atoms in the other object.

• Since the objects attract one another, glue/adhesive from one object transferred to the other object

• When the objects are pulled apart, the adhesive elements are weakened, making one object less sticky

• All objects are basically the same: adhesive and some backing

Tags

NGSS.HS-PS1-3

What we did or learned about in class today matters to me because: [select the option that BEST describes your feelings]

• It is interesting

• It will be useful to me in the future

• It is important to my everyday life/people I care about

• It will help me get a good grade

• It doesn't matter to me

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-1

NGSS.HS-LS2-7

An accumulation of electrons on an object is known as ___________.

• current
• AC
• static electricity