Skills available for Pennsylvania second-grade science standards
IXL's second-grade skills will be aligned to the Pennsylvania Academic Standards - Science and Technology and Engineering soon! Until then, you can view a complete list of second-grade standards below.
Standards are in black and IXL science skills are in dark green. Hold your mouse over the name of a skill to view a sample question. Click on the name of a skill to practice that skill.
3.1.2.C3 Describe some plants and animals that once lived on Earth, (e.g., dinosaurs) but cannot be found anymore. Compare them to now living things that resemble them in some way (e.g. lizards and birds).