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Interesting Science Experiments For Grade 7 Students

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science experiment grade 7
image source : bing.com





Science is exciting, and what better way to learn it than by doing experiments? Grade 7 students can do some amazing science experiments that not only stimulate their interest in the subject but also help them understand the concepts taught in the classroom. In this article, we will look at some interesting science experiments for grade 7 students.

Experiment 1: Growing Bacteria on Different Types of Bread

This experiment is an excellent way to teach grade 7 students about the presence of bacteria in their environment. For this experiment, you will need a few pieces of different types of bread, including white bread, wheat bread, and rye bread. Place each piece of bread in separate petri dishes. Pour a few drops of water on each piece of bread and then seal the petri dishes. Place the petri dishes in a warm area and wait for a few days. You will then see the presence of bacteria on the bread. You can then compare the amount of bacteria on each type of bread and observe the results.

Experiment 2: Exploring the Water Cycle

This experiment is a great way to teach grade 7 students about the water cycle. For this experiment, you will need two large clear jars, a piece of cardboard, and a few drops of food coloring. Place the two jars side by side and cover one of them with the cardboard. Now, pour water into the uncovered jar until it is half full and add a few drops of food coloring to it. Place the cardboard on top of the covered jar. Place the two jars in a sunny area. You will observe that the water in the uncovered jar will evaporate and form clouds. The water vapor will condense on the cardboard and fall back into the covered jar, thus completing the water cycle.

Experiment 3: Exploring the Properties of Magnets

This experiment is a great way to teach grade 7 students about the properties of magnets. For this experiment, you will need a few magnets, a few pieces of paper, and some iron filings. Place the magnets on the pieces of paper and sprinkle the iron filings on top of the magnets. You will observe that the iron filings will arrange themselves in different patterns around the magnets, thus illustrating the properties of magnets. This is an excellent way for grade 7 students to understand the properties of magnets in a practical manner.

Experiment 4: Investigating the Effects of Acids and Bases

This experiment is an excellent way to teach grade 7 students about the effects of acids and bases. For this experiment, you will need a few pieces of litmus paper, a few drops of vinegar, a few drops of lemon juice, and a few drops of baking soda solution. Dip a piece of litmus paper into the vinegar and observe the color change. Dip the second piece of litmus paper into the lemon juice and observe the color change. Finally, dip the third piece of litmus paper into the baking soda solution and observe the color change. This experiment will help grade 7 students understand the effects of acids and bases in a practical manner.

Experiment 5: Exploring the Effects of Sunlight on Plant Growth

This experiment is a great way to teach grade 7 students about the effects of sunlight on plant growth. For this experiment, you will need two identical plants, two identical pots of soil, two identical containers, and two identical sources of artificial light. Place one plant in each container and place each container in a separate pot of soil. Place one container in a sunny area and the other in an area away from sunlight. Water the plants in both containers daily and observe the effects of the sunlight on the plant growth. This experiment will help grade 7 students understand the importance of sunlight for plant growth.

Experiment 6: Investigating the Properties of Soil

This experiment is an excellent way to teach grade 7 students about the properties of soil. For this experiment, you will need two identical containers filled with soil, two identical containers filled with water, and two identical containers filled with sand. Place the soil in one of the containers and add water to it. Stir the mixture and observe the properties of the soil. Now, place the sand in the second container and add water to it. Stir the mixture and observe the properties of the sand. This experiment will help grade 7 students understand the differences between soil, sand, and water.

Experiment 7: Investigating the Properties of Air

This experiment is a great way to teach grade 7 students about the properties of air. For this experiment, you will need two identical balloons, two identical containers, and two identical sources of air. Place one balloon in each container and attach the source of air to one of the balloons. Now, observe the properties of the air in both containers. You will observe that the balloon with the source of air will expand while the other balloon will remain the same. This experiment will help grade 7 students understand the properties of air.

Experiment 8: Exploring the Behavior of Light

This experiment is an excellent way to teach grade 7 students about the behavior of light. For this experiment, you will need two identical mirrors, two identical containers, and two identical sources of light. Place one mirror in each container and place the source of light in front of each mirror. Now, observe the behavior of the light in both containers. You will observe that the light from the source of light will reflect off the mirror, thus illustrating the behavior of light. This experiment will help grade 7 students understand the behavior of light in a practical manner.

Conclusion

These are just some of the interesting science experiments for grade 7 students. Through these experiments, grade 7 students can learn some amazing science concepts in a practical manner. So, encourage your grade 7 students to try out these experiments and have fun while learning science!



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