Physical Science: 4th Quarter Assessment

Standard: PS3-1

A solid object at 10°C is placed in an insulated container filled with water at 50ºC. Which statements below must be accurate?

• The final temperature of the water will be close to 50°C.

• The heat lost by the water will be absorbed by the object.

• The final temperature of the system will be 30°C.

Standard: PS3-1

A 0.73 kg rock moving with a velociy of 3 m/s has how much kinetic energy? KE - 1/2mv²

• 1.095 J

• 6.57 J

• 3.285 J

Standard: PS3-2

An acorn fell 5 m from a tree to the ground. What additional information is needed to calculate both the gravitational potential energy of the acorn before it fell and the kinetic energy of the acorn just before it hit the ground?

• The volume fo the acorn and the time the acorn was in the air.

• The mass of the acorn and air resistance.

• The average velocity of the acorn and the amount of energy lost to friction.

Standard: PS3-2

A student is writing a paper on her laptop while sitting on her couch. After some time, the student feels her computer getting warm. Which of the following is most likely the explanation for this observation?

• Some chemical potential energy from the computer's battery was transformed to thermal energy.

• Some electrical energy from the battery transformed to friction.

• Some kinetic energy transformed into chemical potential energy.

Standard PS3-3

When plants use the sun's energy to make food, solar energy is converted into what type of energy?

• Radiant

• Thermal

• Chemical

Standard: PS3-3

Wind turbines and windmills convert what energy to another?

• Kinetic to Electric

• Mechanical to Potential

• Gravitational Potential to Electric

Standard: LS1-7

In which way are photosynthesis and cellular respiration different?

• Photosynthesis releases energy, while cellular respiration stores energy.

• Cellular respiration produces oxygen, while photosynthesis uses oxygen.

• Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.

Standard: LS1-7

What are the reactants in cellular respiration?

• Glucose and Oxygen

• Glucose and Carbon Dioxide

• Water and Carbon Dioxide

Standard: ETS1-1

Which of the following is the best conclusion that can be made from this graph?

• Atmospheric carbon dioxide levels are very high in Hawaii

• Atmospheric carbon dioxide levels have increased steadily since 1960.

• Atmospheric carbon dioxide levels have been decreasing since 1960.

Standard: ETS1-1

Engineers want to develop a more efficient dishwasher by decreasing the running time and the amount of water used per cycle. They design and test four different dishwasher prototypes. The bar graph shows the results fo their tests. Which model best meets the design criteria?

• Model A

• Model B

• Model C

• Model D