Mass: Which object has more mass?

Magnetism: Which of these objects would be attracted to a magnet?

Sink or Float: Will a rock sink or float in water?

Temperature: What tool would you use to measure the temperature of water?

Sink or Float: If you drop a rubber balloon into water, will it sink or float?

Magnetism: Can a magnet attract a piece of wood?

Mass: Which is heavier: a balloon filled with air or a balloon filled with water?

Solid vs Liquid: If you have a glass of water and a block of ice, which one is a solid and which one is a liquid?

Definite Shape of Solids: A rock is placed on a table. Does the rock change shape to fit the table, or does it keep its own shape?

Liquids Take the Shape of Their Container: If you pour juice into a cup, what happens to the shape of the juice?

Gas Behavior: What happens to the air inside a balloon if you let it go? Does the air stay in the same shape or spread out?

Classify: Is a piece of butter in a dish a solid, liquid, or gas (at room temperature)?

Liquid vs Gas: If you boil water and watch the steam rise, what state of matter is the steam?

Solids Keep Shape: If you leave a piece of clay on the table, what happens to its shape?

Liquids Take the Shape of Their Container: If you pour soda into a bottle, does the soda keep its original shape or take the shape of the bottle?

Sink or Float: Which object is more likely to float in water?

What state of matter is steam rising from a hot cup of tea?

If you freeze water in the freezer, what state of matter will the water become?

Ice to Water: What happens to ice when it is heated? Which state does it change to?

Water to Gas: If you heat water in a pot on the stove, what happens to the water? Which state does it change to?

Condensation: Why does water appear on the outside of a cold glass left on a table?

Freezing Water: If you put water in the freezer, what happens to it? Which state does it change to?

Melting Ice: If you leave a piece of ice out in the sun, what will happen? Which state will it change to?

Heating Water to Gas: If you keep heating liquid water on the stove, at what point does it change into water vapor (gas)?

Observation of Condensation: What happens to a cold soda can taken outside on a warm day? What is the liquid on the outside of the can?

Changes in Temperature: If you take a frozen pizza out of the freezer and put it in the oven, what happens to the pizza?

Predicting State Changes: What will happen to a piece of chocolate if you put it in the fridge? Which change in state do you observe?

Combining Materials for Strength: If you are building a tower and need it to be strong, would you use a piece of wood or a sponge for the base? Why?

Making Stronger Bricks: What happens if you mix clay with sand to make a brick? How does this combination improve the brick?

Material Selection for a Boat: If you wanted to build a boat, would you use metal or plastic for the hull? Why?

Combining Materials for Insulation: If you were trying to make a warm winter jacket, would you use cotton or down feathers for insulation? Why?

Which material would be best for the outside of a pencil because it is strong and can hold the graphite inside?

You are building a simple shelter for rainy weather. Which material should cover the roof to keep water out because it can be waterproof?

A bridge must carry heavy cars. Which material is the better choice because it is strong and can support heavy loads?

You are designing a playground slide that stays smooth and safer for kids. Which material should you choose for the slide because it is less likely to get too hot in the sun and is smoother?

Which material is best for a cake pan because it heats up quickly and evenly, helping the cake bake faster?

You want to make a container to hold water. Which material should you use because it is waterproof and will not absorb water?