GACE Middle Grades Science (705) case studies
GACE Middle Grades Science (705) · Put your knowledge to work in context.
GACE Middle Grades Science (705) is one of the content-area assessments Georgia uses in the certification process for teachers who want to teach science in the middle grades. It is aimed at candidates preparing for a middle-grades science classroom, including those coming from an elementary license, a science-heavy undergraduate background, or an alternative preparation route. The GACE Middle Grades Science (705) case studies are 5 cases and about 3,093 words.
1Colored Light and Radish Germination: What Does the Evidence Support?
In a seventh-grade class, four lab groups test whether light color affects radish seed germination. Each group places 10 seeds on moist paper in a petri dish.
600 words, about 3 min2Reading a Roadcut: Relative Age With Faults, Dikes, and Fossils
During a field trip, students examine a 12-m roadcut with these observations from bottom to top: layer A, coarse sandstone with rounded pebbles; layer B, gray shale with marine shell fossils; layer C, limestone with coral fossils; a wavy eroded surface; layer D, flat-lying conglomerate. A vertical igneous dike cuts layers A, B, and C but ends beneath layer D.
618 words, about 3 min3Interpreting CO2 Changes in Sealed Elodea–Snail Flasks
Students place equal masses of Elodea and equal numbers of snails in four sealed 250-mL flasks with CO2 sensors. Flask 1 contains Elodea plus a snail; Flask 2 a snail only; Flask 3 Elodea only; Flask 4 water only.
662 words, about 3 min4A Floating Object and an Impossible Density
Students receive an irregular object with a small internal cavity and a pinhole opening. Using a 100-mL graduated cylinder, they record 50.0 mL of water, add the object, and read 58.5 mL.
583 words, about 3 min5Using Exit-Ticket Data to Reteach a Terrarium Unit
A teacher gives a five-item exit ticket to 26 students after a lesson on energy and matter in ecosystems. Results: 22 students correctly identify sunlight as the ultimate energy source; 19 say plants take in carbon dioxide; only 8 explain that plants also carry out respiration at night; 17 choose 'plants get their food from the soil'; and 6 multilingual learners miss the words reactant and product.
630 words, about 3 min