Which statement about energy is correct?, Energy can disappear., Energy can be transferred from one object to another., Energy is only in moving objects., Energy can only be transferred when objects touch., What form of energy makes the toy work?, Heat energy, Light energy, Movement energy, Sound energy, Which object can transfer energy?, Only hot objects, Only moving objects, Only objects that are touching, Any object that contains energy, What is energy chain?, They show how quickly objects move., They show when energy disappears., They show how much an object weighs., They show where energy is transferred., Which energy chain is correct?, donkey → food, food → donkey, Which energy chain is correct?, b. air → balloon, balloon → air, Which energy chain is correct?, c. fire → meat, meat → fire, Which energy chain is correct?, person → TV set, TV set → person, A hot drink makes a metal spoon hot. What happens?, The spoon changes cold energy into heat energy., Heat energy moves from the spoon to the drink., Heat energy moves from the drink to the spoon., The spoon creates heat energy., Which object is receiving heat energy? HOT WATER → CUP, Both, Hot water, Neither, Cup, A cup becomes cooler after some time. What happens to its heat energy?, It moves to the surroundings., It is used up., It disappears., It changes into cold energy., A ball is kicked by a child. Which shows the energy transfer?, Air → ball, Ball → ground → child, Child → ball, Ball → child, Which energy chain shows sunlight warming the Earth?, Sun → Earth, Sun → Earth → space, Earth → space → Sun, Earth → Sun, Why can the Sun transfer energy to Earth even though they do not touch?, The Sun touches the atmosphere., Energy can travel through space., Space contains hot water., Earth sends energy to the Sun., Look at the energy chain: HOT WATER → SPOON → PETROLEUM JELLY → BEAD. What happens first?, The spoon transfers energy to the hot water., The bead transfers energy to the jelly., The jelly transfers energy to the spoon., The hot water transfers energy to the spoon., Why does the bead fall in the experiment?, The bead loses its colour., The petroleum jelly melts., The hot water pushes the bead., The spoon becomes cold., A metal spoon is placed in hot tea. Which energy chain is correct?, Spoon → tea → surroundings, Surroundings → spoon → tea, Tea → spoon → surroundings, Tea → surroundings → spoon, How does the energy make the toy work?, Energy is transferred from the toy to your hand, making it spin., Energy is transferred from your hand to the toy, making it spin., Energy is created inside the toy when it starts spinning., Energy is transferred from the air to the toy, making it spin., What does this energy chain tell us? SUN → EARTH → AIR, Energy is transferred from the Sun to the Earth, then to the air., The Earth creates energy for the Sun., Energy moves from the air to the Sun., The Sun heats the air directly through the Earth., Which energy chain is correct?, sun → solar panels → water, solar panels → sun → water, solar panels → water → sun, sun → water → solar panels, Why does a block of ice melt if you hold it in your hand?, Heat energy is transferred from the ice to your hand., Heat energy is transferred from your hand to the ice., The ice creates heat energy when you hold it., The cold energy from the ice moves into your hand.

Energy 2.2

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