One printed page checks 2nd grade understanding of solids, liquids and gases, with the answer key on page 2. Part 1 shows eight pictures (a wooden block, orange juice, a helium balloon, a coin, syrup, steam, scissors and rain) and students circle S, L or G. Part 2 has three sentences about shape and filling a container, each with two word choices. Part 3 asks what happens to an ice cube left in the sun. It lines up with NGSS 2-PS1-1.
2-PS1-1
“Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties.”
Part 1 has students classify eight materials as solid, liquid or gas, and Part 2 ties each state to how it behaves in a container.
Eight small pictures numbered 1 to 8 with S, L and G under each. Students circle one letter per item.
Three sentences, such as "A solid ( keeps / loses ) its own shape." Students circle one word in each.
One question with two writing lines about an ice cube left in the sun.
The letter and state for all eight pictures, the three correct words and a model answer for the ice cube.
Exit ticket
Hand it out in the last ten minutes of the lesson. It fits on one page, and the circle format marks quickly.
Check steam first
When you mark the pile, look at item 6 first. Students who circle L for steam are thinking of the water it came from.
Give it twice
Use the same sheet before and after the unit and compare the two. Part 2 shows whether the wording has stuck.
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