Hân was making ice cubes for a party. As she left them out on the counter, she noticed that they started to change. What is the process called when a solid turns into a liquid?

On a hot summer day, Phong noticed that the puddles of water on the sidewalk were disappearing. He learned that this process is where a liquid changes into a gas. What is this process called?

One hot summer day, Nhật was watching the condensation form on the outside of his cold drink. He wondered, what is the term for the process when a gas turns into a liquid?

While Lộc was making ice cubes in the freezer, he noticed that the ice started to melt into water. Which of the following is an example of a phase change?

Phong and Quý are sitting by a campfire. As they roast marshmallows, they notice how the heat from the fire moves to their hands holding the sticks. Which vocabulary word describes the movement of heat from the fire to their hands?

During a science class, An, Khánh, and Quỳnh were discussing the different forms of water. An mentioned that water can exist as ice, liquid water, or steam. Which of the following best describes "State of Matter"?

One winter day, Lộc noticed that the water in his glass had turned into ice. What process has occurred?

Gia placed a bowl of water in the freezer. After some time, she noticed that the water had turned into ice. What is the process of changing from a liquid to a solid by cooling called?

On a chilly evening, Hân noticed that the glass of water he left outside had droplets forming on the outside. What is the change of state from gas to liquid when cooled called?

Quỳnh is heating water in a kettle on the stove. As the kettle gets hot, the energy moves from the stove to the kettle. What is the movement of energy from one object or place to another called?

Quỳnh and Băng are sitting by a campfire. They notice that the metal pot hanging over the fire is getting hot. Quỳnh asks, 'What is heat?'

While cooking, An noticed that the water in the pot was turning into steam. What process describes the change from a liquid to a gas?

During a sunny day, Nhật and Oanh are sitting close to a warm window. What happens to the particles in the warmer area near the window during conduction?

While sailing on a boat, Khánh noticed how the warm water from the sun heats the ocean surface, creating currents that move the boat along. Which method of heat transfer is responsible for these ocean currents and the wind patterns that guide their journey?

While discussing heat transfer methods in their science class, Khánh asked, "Which of the following is NOT a method of heat transfer described in the text?"

In a small town, Khánh noticed that the temperature in the park was different from that in the nearby lake. He learned that convection helps regulate the Earth's climate. How does convection help in this process?

Phương is trying to cook a steak on a metal grill. As the grill heats up, heat is transferred through the metal to cook the steak. Which process is Phương observing?

One day, Ngọc and Vũ were sitting outside on a sunny day. They both touched a metal bench and a wooden bench that were at the same temperature. Ngọc exclaimed, 'Why does the metal feel colder than the wood?' What could be the reason for this?

During a hot summer day, Đại and Phương are making ice cubes in their freezer. As the temperature rises, they notice that the ice cubes are starting to change. Which of the following is the correct definition of "melting"?

One winter day, Anh noticed that the water in his glass was turning into ice cubes. What phase change is happening in this scenario?

Ngọc observes water droplets forming on the outside of a cold glass of lemonade during a hot summer day. Which process is responsible for this observation?

Quý is making ice cubes in the freezer. He notices that when he takes the ice cubes out, they start to melt. Which phase change requires heat to be added to the ice cubes?