Unit 10- Energy Change Quiz

What type of energy does an object have due to its position?

• Thermal Energy

• Kinetic Energy

• Potential Energy

• Electrical Energy

What type of energy does an object have due to its motion?

• Potential Energy

• Chemical Energy

• Nuclear Energy

• Kinetic Energy

What type of energy transformation occurs in a battery-powered flashlight?

• Chemical to Mechanical

• Electrical to Heat

• Chemical to Light

• Mechanical to Electrical

What type of energy is transformed into mechanical energy when riding a bicycle?

• Light

• Heat

• Chemical

• Electrical

Which type of energy transformation takes place in an electric oven?

• Electrical to Mechanical

• Electrical to Light

• Electrical to Heat

• Chemical to Electrical

What is the energy transformation in a car engine?

• Chemical to Light

• Mechanical to Chemical

• Electrical to Mechanical

• Chemical to Mechanical

How is energy transformed in the process of photosynthesis in plants?

• Light to Chemical

• Mechanical to Chemical

• Heat to Chemical

• Chemical to Light

What does the graph in the image represent?

• The boiling point of coffee over time

• The change in temperature when hot coffee is mixed with cold milk

• The freezing point of milk over time

• The temperature of coffee as it cools naturally without adding milk

Based on the graph, what happens to the temperature of the hot coffee after mixing it with cold milk?

• It increases

• It decreases

• It remains constant

• It first decreases, then increases

What is the final temperature of the mixture compared to the initial temperatures of the hot coffee and cold milk?

• Higher than both the hot coffee and cold milk

• Lower than both the hot coffee and cold milk

• Between the temperatures of the hot coffee and cold milk

• The same as the cold milk