Mrs Ruff

Students will use indirect observations and prior knowledge to infer what types of household objects are in sealed containers. Store - Mrs Ruff

Students will practice making qualitative and quantitative observations about rocks. They will then select one rock and use observations to identify their pet rock from all others. Store - Mrs Ruff

Students will use the scientific method to test a hypothesis about why some types of canned soda sink while other float. Instructions and student sheet is included. Store - Mrs Ruff

In this lab students will use mass and volume to find the density of 7 teacher selected objects. They will then test if the objects sink or float in water. Finally, the students will find the relationship between density and objects that sink and objects that float in water. Analysis question are included so students can show their understanding.