Unit 10 Review

Which of the following will increase the rate of dissolution for a solid polar solute in water?

• increase in temperature

• decrease in temperature

• increasing the amount of solute

• making sure the solute is in large chunks

Tags

NGSS.MS-PS1-4

How do we calculate acceleration according to Newton's Second Law?

• a = v/t

• a = d/t

• a = Fm

• a = F/m

Tags

NGSS.MS-PS2-2

How would we describe the forces acting on an object that is moving at a constant speed?

• Balanced

• Unbalanced

• Neither

What TYPES of forces would be acting on a skydiver falling from a plane? Select all that are correct.

• gravity

• applied

• normal

• drag

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the net force of the following FBD?

• 18 N up

• 18 N

• 18 N down

• 0 N

Tags

NGSS.MS-PS2-2

What is happening to an object whose net force is in the opposite direction of the object's motion?

• it's moving at a constant speed

• it's speeding up

• it's slowing down

• it's at rest

Tags

NGSS.MS-PS2-2

What will happen to an object's acceleration if the mass is doubled and the applied force remains the same?

• the acceleration will decrease

• the acceleration will not change

• the acceleration will increase

• there is not enough information to answer this

Tags

NGSS.MS-PS2-2

What will happen to an object if the force applied is increased and the mass remains the same?

• The acceleration will increase

• The acceleration will remain the same

• The acceleration will decrease

• There is not information to answer this

Tags

NGSS.MS-PS2-2

Which of Newton's laws of motion are illustrated in this situation: While swimming or moving in a rowboat, when you push the water backward, there is a force in the opposite direction helping you move forward.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

• Newton's Law of Gravity

What is the primary function of the mitochondria in a cell?

• Energy production

• Protein synthesis

• DNA replication

• Photosynthesis

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7