Oklahoma Science Achievement Test

Which student has the most accurate description of both nebulae and galaxies?

• student a

• student b

• student c

• student d

During a star's life cycle, it can become a white dwarf, black hole, or neutron star. What determines what the star will become?

• color

• mass

• luminocity

• temperature

When watching the local meteorologist on television or looking at a weather map online, there are often maps with an "L", as seen below. The "L" represents an area of low atmospheric pressure on the surface of the Earth. What is most likely occurring in the atmosphere in the area located at the "L" on the map above?

• The air is descending at this location causing clear skies.

• The air is descending at this location causing cloudy skies.

• The air is rising at this location causing clear skies.

• The air is rising at this location causing cloudy skies

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Describe the motion of a person not wearing seat belt if the car stops suddenly.

• The person and the car will stop together

• The person will stop faster than the car because the person is lighter.

• The car will stop and the person will keep moving forward because of inertia.

• The car will stop and the person will speed up.

How do you know if an object is in motion?

• It has Inertia

• It has mass

• It is changing position

• It has a reference point

Which force always pulls downward on object?

• Support force

• Friction

• Gravity

• Air resistance

Tags

NGSS.MS-PS2-4

Friction acts in direction __________ to the direction of an object's motion.

• unrelated

• opposite

• Equal

• Perpendicular

A bowling ball and a tennis ball are dropped off the Empire State Building. Which object affected by the gravity and air resistance?

• Tennis ball

• Bowling ball

• Both tennis ball and bowling ball

• Neither the ball nor the tennis ball

Tags

NGSS.MS-PS2-4

Newton's Second law of motion states that relationship of mass, acceleration and force. It says that ______________.

• force equals mass divided by acceleration

• force equals acceleration divide by mass

• acceleration equals force divided by mass

• every object attracts every other object in the universe

Tags

NGSS.HS-PS2-1

A person with a mass of 75 kg is accelerated to 3 m/s2. How much the force was applied to him?

•  215 N

• 205 N

•  235 N

•  225 N

Tags

NGSS.MS-PS2-2