What is the formula for calculating force?

• force = distance / time

• force = velocity x time

• force = energy / mass

• force = mass x acceleration

Tags

NGSS.HS-PS2-1

What is the difference between mass and weight?

• Mass is the measure of the force exerted on an object, while weight is the amount of space an object takes up.

• Mass is the amount of matter in an object, while weight is the force exerted on an object due to gravity.

• Mass is the force exerted on an object due to gravity, while weight is the amount of matter in an object.

• Mass and weight are the same thing and can be used interchangeably.

Define the term 'momentum' in physics.

• The force exerted by an object

• The distance traveled by an object

• The product of an object's mass and its velocity.

• The temperature of an object

Tags

NGSS.HS-PS2-2

Describe the concept of work in physics.

• Work is the product of mass and acceleration.

• Work is the product of speed and time.

• Work is the product of energy and velocity.

• Work is the product of force and distance.

Tags

NGSS.MS-PS3-5

What is the difference between potential energy and kinetic energy?

• Potential energy is only found in living organisms, while kinetic energy is only found in non-living objects.

• Potential energy is due to position or state, while kinetic energy is due to motion.

• Potential energy and kinetic energy are the same thing.

• Potential energy is due to motion, while kinetic energy is due to position or state.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

The explosiveness of an eruption from an active composite volcano is primarily related to which of the following?

• The size and depth below the surface of the magma chamber

• The iron and carbon dioxide content of the magma

• The depth and width of the main vent that releases the magma

• The silica and water content of the magma

Light from the sun traveling at approximately 2.9x10^8 m/s takes about 4.6x10^2 seconds to reach earth. Based on this information, which of the following best represents the distance the light travels from the sun to Earth?

• 1.3 x 10^11m

• 2.9 x 10^10m

• 3.6 x 10^9m

• 6.3 x 10^5m

Tags

NGSS.MS-ESS1-3

Which of the following changes occurs in the atmosphere between the lower troposphere and the upper mesosphere?

• The concentration of nitrogen per unit volume increases

• The percentage of nitrogen relative to other gases increases

• The concentration of oxygen per unit volume decreases

• The percentage of oxygen relative to other gases decreases

The El Nino-Southern Oscillation has two phases traditionally referred to as El Nino and La Nina. Which of the following is a primary factor that drives the transition from an El Nino phase to a La Nina Phase?

• Variations in the frequency of sunspots over the course of a full solar cycle

• Change in the circulation of deep-ocean currents that transfer heat energy from the equatorial regions to the poles

• Fluctuations in the position of the polar front jet stream during different seasons

• Reversal of the dominant high and low atmospheric pressure regimes on either side of the equatorial Pacific Ocean

Tags

NGSS.MS-ESS2-6

Which of the following is the primary cause of water's high viscosity?

• The low electronegativity of oxygen atoms

• The high specific heat capacity of liquid water

• The molecular weight of water molecules

• The hydrogen bonding between water molecules

Tags

NGSS.HS-ESS2-5