Top 200

Barium is a metal. On what side of the Periodic table will you find it?

• 1

• 2

• 3

• 4

Which component of an atom determines its place on the periodic table?

• amount of electrons

• amount of neutrons

• amount of energy levels

• amount of protons

If the horse reared up on its 2 legs, what effect would it have on the pressure exerted on the ground?

• it will exert half the pressure it did before

• it will exert the same pressure it did before

• it will exert twice the pressure it did before

• it will exert four times the pressure it did before

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

The diagram shows the design of a dam. What can you say about the design of the dam wall?

• The wall is thinner at the top so that the water will not overflow easily

• The wall is thinner at the top to withstand the high pressure of water

• The wall is thicker at the bottom so that the water will not overflow easily

• The wall is thicker at the bottom to withstand the high pressure of water

Tags

NGSS.MS-ETS1-1

Arrange the liquids in order; from most dense to least dense

• 4, 3, 2, 1

• 1, 2, 3, 4

• 3, 4, 2, 1,

• 4, 3, 1, 2

Tags

NGSS.MS-PS1-2

The mass of the dinosaur is 4 g. Calculate the density of the dinosaur.

• 5 g/cm³

• 10 g/cm³

• 20 g/cm³

• 40 g/cm³

Army tank tracks are useful for travelling through the mud because..

• they decrease the force exerted on the ground

• they increase the force exerted on the ground

• they decrease the pressure exerted on the ground

• they increase the pressure exerted on the ground

Tags

NGSS.MS-ETS1-1

What pressure does a 4000N cow exert on the ground if the area of each foot is 10 cm²?

• 40 N/cm²

• 100 N/cm²

• 400 N/cm²

• 10 N/cm²

Which of the statement is true?

• The shoe exerts less pressure than the stiletto heel as a result of an increase in surface area

• The shoe exerts less pressure than the stiletto heel as a result of an decrease in surface area

• The shoe exerts more pressure than the stiletto heel as a result of an increase in surface area

• The shoe exerts more pressure than the stiletto heel as a result of an decrease in surface area