Science for 7 Year Olds

2nd Grade • Second graders are building fluency and confidence as they tackle more complex academic challenges.

At age 7, children are ready for exciting new science concepts. This guide covers curriculum milestones, fun activities, and tips to make learning enjoyable.

What 7 Year Olds Learn in Science

Typical curriculum milestones for 2nd Grade

  • Observe and classify materials based on their properties (hardness, flexibility, texture)
  • Understand that different materials are suited for different purposes
  • Explore how plants depend on animals for pollination and seed dispersal
  • Investigate how animals depend on plants and other animals for food
  • Observe and describe Earth's changing landscape (erosion, weathering)
  • Understand that water is found in different forms and locations on Earth
  • Plan and conduct investigations to answer questions about the natural world

Science Activities for 7 Year Olds

Fun, hands-on activities to practice science at home

1

Material Testing Lab

Collect various materials (fabric, paper, plastic, metal, wood). Test properties: Is it flexible? Waterproof? Strong? Record findings in a chart and discuss which materials would be best for different uses.

Materials: Various materials, Water, Weights for testing strength, Recording chart
2

Pollinator Garden Observation

Visit a garden or plant flowers that attract bees and butterflies. Observe and draw pollinators at work. Discuss how plants and animals help each other.

Materials: Garden or potted flowers, Journal for observations, Magnifying glass
3

Erosion Experiment

Create two small hills of soil—one bare, one covered with grass or plants. Pour water over each and observe what happens. Discuss how plants protect soil from erosion.

Materials: Soil, Grass sod or plants, Two trays, Watering can, Water
4

Water Cycle in a Bag

Draw the water cycle on a ziplock bag (sun, clouds, water). Add a small amount of water and tape to a sunny window. Observe evaporation and condensation over several days.

Materials: Ziplock bag, Markers, Water, Sunny window, Tape

Tips for Teaching Science

Practical advice from educators and parents

Encourage questions like "What is this made of?" and "Why do you think they used this material?"

Explore different ecosystems—ponds, forests, gardens—and discuss how living things depend on each other

Watch nature documentaries together and discuss what you learn

Keep a nature journal for recording observations and questions

Conduct simple experiments at home—kitchen science is real science!

How Altys Makes Science Fun

Personalized learning that adapts to your 7 year old

Personalized Songs

Songs about the water cycle, plant and animal relationships, and material properties

Interactive Stories

Nature adventures where characters explore ecosystems and discover how living things are connected

Adaptive Lessons

Interactive investigations into materials, ecosystems, and Earth's features with virtual experiments

Try Personalized Science Learning

Join thousands of families turning screen time into science time.

More Learning for 7 Year Olds