Physical Science CSMA Review

When a firecracker explodes, chemical energy changes to light and sound energy.  This is an example of how energy:

• Can be transformed as well as created or destroyed.
• Can be transformed but not created or destroyed.
• Cannot be transformed, created, or destroyed. 
• Cannot be transformed and created, but can be destroyed. 

Tags

NGSS.MS-PS3-5

The stored energy in a battery can BEST be described as:

• Thermal
• Nuclear
• Kinetic
• Chemical

An object at rest begins to move when:

• Balanced forces act on it.
• An unbalanced, or net force, acts on it. 
• Forces are no longer acting on it. 
• An object at rest stays at rest no matter what. 

Tags

NGSS.MS-PS2-2

A 200-kg student kicks a 2.5 kg ball with a force of 500 N.  What force does the ball apply on the student?

• 200 N
• 1250 N
• 300 N
• 500 N

Tags

NGSS.MS-PS2-1

Newton's 3rd Law states that:

• An object in motion will stay in motion unless acted on by an unbalanced force. 
• For every action, there is an equal and opposite reaction. 
• The acceleration of an object depends on the mass of the object and the force applied to it.
• Energy cannot be created or destroyed, only transferred. 

Tags

NGSS.MS-PS2-1

A car is traveling at a constant speed of 30 m/s.  The driver has to come to a complete stop to avoid hitting a chupacabra. The time it took to stop was 5 seconds.  What is the average acceleration of the car?

• 2 m/s/s
• -6 m/s/s
• 6 m/s/s
• 25 m/s/s

Tags

NGSS.HS-PS2-1

In which of the following situations is acceleration occurring?

• A Ferrari driving at a constant speed of 100 mph.
• An airplane traveling in a straight line at a constant speed.
• A Prius rounding a curve driving at a constant speed of 55 mph. 
• A car sitting in the driveway. 

Tags

NGSS.MS-PS2-2

An atom has 29 protons, 29 electrons, and 35 neutrons.  What is the mass number of the atom?

• 29
• 35
• 93
• 64

Which pair of elements have similar chemical properties?

• Ca and F

• Na and Cl

• Ne and Ar

• Li and Ne

In the periodic table, the rows are called ___________ and they tell us _________.

• Groups, Number of valence electrons
• Groups, Number of energy levels
• Periods, Number of valance electrons
• Periods, Number of energy levels