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Simple Science Experiment Ideas For Grade 7

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simple science experiment for grade 7
image source : bing.com







General Outline

Science experiments for grade 7 can be quite exciting and stimulating for students. At this age, kids have already had a few years of formal education in science. They are also familiar with some concepts and processes related to the subject. This means that simple science experiments can be quite engaging and educational. In this article, we will discuss five different simple science experiments that can be done by students in grade 7. We will also provide a brief outline of the experiments, as well as the materials needed for each experiment.

Experiment 1: Making a Lava Lamp

This is a great science experiment for grade 7 that allows kids to explore the properties of liquids and gases. They will also get to see how these two substances interact with each other. To make this experiment, you will need a bottle, vegetable oil, water, food coloring, and Alka-Seltzer tablets. Begin by filling the bottle with vegetable oil and adding the food coloring. Then, fill the bottle with water, leaving a few inches of space at the top. Drop one Alka-Seltzer tablet into the bottle and observe the reaction. Kids will be able to see the oil and water separate and then mix together again in a bubbly reaction!

Experiment 2: Making a Candle Powered Boat

This is a fun and simple science experiment that can be done with materials found in most homes. The experiment involves making a boat powered by a candle. To make the boat, you will need a small cardboard box, aluminum foil, a candle, and some tape. Begin by cutting out a small boat shape from the cardboard, and cover it with aluminum foil. Then, tape the candle to the bottom of the boat, making sure that the wick is facing downwards. Place the boat in a shallow bowl of water, light the candle, and watch as the boat moves forward! Kids will be able to observe the effects of heat and the properties of fluids in this experiment.

Experiment 3: Exploring Osmosis

Osmosis is a fascinating process that allows for the movement of water from one area to another. This is an important biological process that involves the movement of water molecules across a cell membrane. To explore osmosis in grade 7, you will need two glasses, water, and a potato. Begin by filling both glasses with water and adding a potato to one of them. Leave the glasses for a few hours and then observe the changes that have taken place. Kids will be able to see how the potato absorbs the water, and how this affects the level of water in each glass. This experiment demonstrates the process of osmosis in a very simple and effective way.

Experiment 4: Making a Solar Oven

This is a fun and educational science experiment that allows kids to explore the power of the sun. To make a solar oven, you will need a cardboard box, aluminum foil, tape, a thermometer, and some plastic wrap. Begin by covering the inside of the cardboard box with aluminum foil. Then, tape the thermometer to the side of the box. Cover the box with plastic wrap and place it in the sun. Measure the temperature of the box after a few minutes, and observe the changes. Kids will be able to see how the sun’s energy is converted into heat, and how this can be used to cook food.

Experiment 5: Growing a Plant in a Bag

This is a great experiment for kids to explore the natural process of plant growth. To do this experiment, you will need a plastic bag, soil, a plant, and some water. Begin by filling the plastic bag with soil, and then place the plant inside. Water the plant, and then seal the bag. Place the bag in a sunny spot, and observe the plant over the next few weeks. Kids will be able to see how the plant grows and changes over time, and how water and sunlight are important for the growth of plants.

Conclusion

These five simple science experiments for grade 7 can be great fun and educational for kids. They will be able to explore different concepts and processes related to science in a hands-on way. Furthermore, these experiments can help kids to develop important problem-solving and analytical skills. So, why not try out these experiments with your grade 7 students today!



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