Unit 1/2 Corrections

How does a liquid change to a gas?

• Thermal energy is removed

• Thermal energy is added

• Electrical energy is added

• Electrical energy is removed

Tags

NGSS.MS-PS1-4

When salt is stirred into water, the particles seem to disappear. They are really just...

• Disappearing

• Moving

• Getting larger

• Shrinking

Tags

NGSS.MS-PS1-2

Which statement about the soda is true?

• It is impossible to draw a gass

• Solids, liquids, and gases cannot be in the same place

• The ice is a solid, the soda is a liquid, and the carbonation is a gass

• Solids, liquids, and gases are uncommon

Tags

NGSS.MS-PS1-4

What is the best way to separate water and sand?

• Filtering

• Hand sorting

• Magnetism

What is the best way to separate pretzels and peanuts?

• Filtering

• Hand sorting

• Magnetism

What is the best way to separate sand and iron filings?

• Filtration

• Hand sorting

• Magnetism

What is the best way to separate pebbles and wood blocks?

• Filtration

• Hand sorting

• Magnetism

Which of the following could be used to complete an electrical circuit?

• Wooden cube

• Paperclip

• Rubber stopper

• Glass marble

Select TWO insulators of thermal and electrical energy.

• Aluminum foil

• Plastic spoon

• Metal spoon

• Wooden block

Tags

NGSS.MS-PS3-3

Which of the following objects is a liquid, non-magnetic, and insoluble?

• Baby oil

• Metal paperclip

• Salt

• Ping pong ball