P.3.3

How much force is needed to change motion is called...

• mass

• final velocity

• initial velocity

• time

• momentum

Tags

NGSS.MS-PS2-2

Why is the momentum of object B greater than the momentum of object C?

• The "mass" is much greater

• The "velocity" is much greater

• The "momentum" is much greater

Tags

NGSS.HS-PS2-2

What is the momentum of a 50 kg shark swimming at a rate of 10 m/s?

• p = 50 kg x m/s

• p = 500 kg x m/s

• p = 5 kg x m/s

Tags

NGSS.HS-PS2-2

Which best explains why the alkali metals are the most reactive group in the periodic table?

• They are radioactive.

• They have complete outer energy levels.

• They have the highest atomic masses of any elements.

• They have only one electron in their outer energy level.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

List the steps of the scientific method

d

e

f

c

b

a

Draw conclusions

Form a hypothesis

Analyze results

Communicate results

Conduct experiment

Ask a question

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

In which part of the periodic table are the most reactive nonmetals located?

• entire row at the top end of the table

• the rows at the bottom of the table that connect two sections

• the column at the far left of the table

• the second column from the right of the table

Which best explains how elements are arranged on the modern periodic table?

• Elements are arranged from fewest protons to most protons.

• Elements are arranged from most protons to fewest protons.

• Elements are arranged from fewest neutrons to most neutrons.

Which elements are most likely to react in the same manner in a chemical reaction?

• elements in the same group

• elements in the same period

• elements with similar atomic masses

Which best explains how the periodic table is used to identify properties of elements?

• by the color and shape of the elements

• by the number of electrons in the elements

• by the group in which the elements are located