Observe closely using simple equipment such as hand lenses, and use observations to describe, compare, and identify things
A first look
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Question 1 of 3
Sam examines two rocks. Rock X is dark gray, smooth, and about the size of a small marble. Rock Y is light gray, rough, and about the size of a pea. Which statement correctly describes a difference between the two rocks?
Question 2 of 3
A student uses a hand lens to look at two leaves. Leaf A is smooth, bright green, and round. Leaf B is rough, dark green, and pointed. Which statement correctly compares the two leaves?
Question 3 of 3
A student uses a hand lens to look at two leaves. Leaf A is green, smooth, oval‑shaped, and about 5 cm long. Leaf B is green, rough, oval‑shaped, and about 5 cm long. Which observation correctly describes a difference between the two leaves?
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