.
What makes the gold part shiny?
What changes happened to the gold part?
What changes happened to the silver part?
What happened to the ice cubes?
What happened to the water?
Who removed the ice from the cup?
How does freezing affect the volume of water?
How does freezing affect the mass of water?
How does freezing affect the color of water?
If the size of the apple pieces changes, then its total mass will change.
If the size of the apple pieces changes, then its total mass will not change.
If the size of the apple pieces doesn't change, then its total mass will change.
If the temperature increases, then ice will change to liquid water.
If the temperature decreases, then ice will change to liquid water.
If the temperature increases, then liquid water will change to ice.
If a light bulb is missing or broken, then the other light bulb will light.
If a light bulb is missing or broken, then the other light bulb will not light.
If a light bulb is missing or broken, then the other light bulb will get dimmer.
Use a metallic spoon
Use a plastic ruler
Use a rubber eraser
Pour water over it and see the reaction
Put something made of iron near it and see the reaction
Heat the bar and see the reaction
Mix vinegar and baking soda
Mix vinegar and water.
Mix water and baking soda.
The water melts.
The water condenses.
The water evaporates.
The gravity on the moon is less than the gravity on Earth.
The gravity on the moon is more than the gravity on Earth.
The mass of the astronaut on the moon is less than his mass on Earth.
The strength of the electromagnet increases when the number of coils decreases.
The strength of the electromagnet increases when the number of coils increases.
The strength of the electromagnet is not affected by the number of coils.
Insulators to keep him safe.
Conductors to connect the electricity.
Tools to keep him clean.
Electrical into energy of motion.
Electrical into light energy.
Kinetic into electrical energy.
Adding more light bulbs makes brighter light.
Adding more batteries makes brighter light.
Removing batteries makes brighter light.
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