PhySci Sem 1 Review Pt 2

Chayston and Alyssa are working on a science project about energy storage. They are curious to know what is the primary form of energy stored in a battery?

• Thermal energy

• Chemical energy

• Kinetic energy

• Nuclear energy

Alyssa and Roxy are helping their parents with some home repairs. Which of the following is an example of a simple machine?

• Lever

• Engine

• Computer

• Battery

Roxy and Alyssa are collaborating on a science project about energy. They need to find out what the unit of energy is in the International System of Units (SI). Can you help them?

• Newton

• Joule

• Watt

• Volt

Chayston and Roxy are sitting by a campfire. Chayston notices that the metal rod he is holding is getting hot even though it's not directly in the fire. Which of the following best describes this process?

• Transfer of heat through a fluid

• Transfer of heat through direct contact

• Transfer of heat through electromagnetic waves

• Transfer of heat through a vacuum

Alyssa is working on a science project about renewable energy. She decides to use a solar panel to power a small fan. Which of the following is an example of energy conversion in the solar panel?

• Chemical to electrical

• Thermal to mechanical

• Solar to electrical

• Mechanical to thermal

During a science experiment, Alyssa noticed that when she heated a pot of water, the water molecules started moving faster. What happens to the temperature of the water as a result?

• The temperature decreases

• The temperature remains the same

• The temperature increases

• The temperature fluctuates

Tags

NGSS.MS-PS1-4

Chayston and Alyssa are sitting by a campfire. They feel the warmth of the fire even though they are not directly touching it. Which of the following processes is responsible for the transfer of energy in this scenario?

• Conduction

• Convection

• Radiation

• Evaporation

During a visit to a wind farm, Roxy and Alyssa are curious about how a wind turbine works. How does a wind turbine convert energy?

• It converts chemical energy to electrical energy

• It converts mechanical energy to electrical energy

• It converts thermal energy to mechanical energy

• It converts solar energy to electrical energy

Chayston and Roxy are discussing how energy behaves in their daily activities. Which of the following best describes the second law of thermodynamics in this context?

• Energy cannot be created or destroyed

• Energy is always conserved in a closed system

• Energy transfer results in a more uniform energy distribution

• Energy can be converted from one form to another

Tags

NGSS.HS-PS3-4

Chayston and Alyssa are visiting a hydroelectric power plant for their science project. What is the primary energy transformation that occurs in this plant?

• Chemical to electrical

• Mechanical to electrical

• Thermal to mechanical

• Solar to electrical