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84 lessons · Pre-School
Some things are hard like rocks and some things are soft like cotton balls.
You can mix colors together to make new colors. Red and blue make purple!
Wood floats in water, but a rock sinks. Heavy things often sink.
Ice is frozen water. When ice gets warm, it melts and turns back into water!
Some things sink in water and some things float. Try putting different objects in a tub of water to see what happens!
Play dough is soft and squishy. You can shape it into anything!
Some things are smooth, some are rough. Touch different objects and feel the difference!
Bubbles are made of soap and air. Can you catch a bubble?
Pouring water into different cups changes its shape but not how much there is.
You can sort objects by color, size, shape, or what they are made of.
Feathers are light and rocks are heavy. How do you know which is heavier?
Water can be a solid (ice), a liquid (water), or a gas (steam). Amazing!
Glue starts as a liquid and dries into a solid that holds things together.
A sponge soaks up water. Squeeze it and the water comes back out!
Metal spoons feel cold, wooden spoons feel warm. Different materials feel different!
Sand is made of tiny pieces of rock. It feels rough and gritty.
Glass is smooth and see-through. You can look through a window!
Snow is frozen water that falls from clouds. Snowflakes are tiny and beautiful!
Mud is a mixture of dirt and water. What happens when mud dries out?
When you stir sugar into water, the sugar seems to disappear! It dissolves.
When you mix baking soda and vinegar, it fizzes and bubbles! That is a reaction.
You can separate a mixture of beads by sorting them by color or size.
When you blow up a balloon, you fill it with air. Air is a gas!
Oil and water do not mix. Pour some oil in water and watch what happens!
Jello starts as a liquid and turns into a wobbly solid in the fridge!
Chocolate melts in your hand because your body is warm.
Crayons are solid, but when they get very hot, they melt into liquid wax!
A magnet sticks to some metal things but not to wood or plastic.
When water boils, you see steam rising up. The water is turning into a gas!
Butter melts on warm toast because heat changes solid butter to liquid.
