Nm Asr

The formation of gas bubbles is evidence that a _________________ has taken place.

• physical property

• chemical property

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The formation of a precipitate is evidence that a _________________ has taken place.

• physical property

• chemical property

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table . Based on these observations, which sample is most likely a nonmetal?

• Sample 1

• Sample 2

• Sample 3

• Sample 4

´Elizabeth was examining elements and their physical properties. She described an element is her science journal as having no shine, an insulator, and  very brittle. What would this element be a metal, nonmetal, or metalloid?

• metal 

• nonmetal 

• metalloid

List the steps of the scientific method

d

e

f

c

b

a

Analyze results

Ask a question

Conduct experiment

Draw conclusions

Communicate results

Form a hypothesis

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

The yellow atoms are called 

• metals

• nonmetals

• metalloids

• noble gases

If an object is not malleable and is an insulator then it is a .....

• metal

• nonmetal

• metalloid

• magician

What is the moment acting on the right side of the pivot?

• 2 Nm

• 20 Nm

• 200 Nm

• 0.2 Nm

What is the moment acting on the left side of the pivot?

• 2 Nm

• 20 Nm

• 200 Nm

• 0.2 Nm