Minerals, Rocks, and Fossils

Which of the following need weathering and erosion to form?

• igneous rocks
• sedimentary rocks
• metamorphic rocks
• mineral crystals

Mia found an igneous rock in Hawaii.  Which of the following is most likely the way it formed?

• lava cooling
• high pressure bending it
• ocean waves breaking
• smaller rocks glued together

Which of the following is a fossil?

• dead mouse in the grass
• bird footprints in the sand
• a decaying log in the forest
• giant plant imprints in a rock

What are the remains, imprints, or traces of prehistoric organisms called?

• fossils
• faults
• crystals
• minerals

Copper is a solid, non-living, metallic substance found in the Earth.  What would it be classified as?

• soil
• animal
• mineral
• vegetable

Which of the following are properties of minerals?

• luster, hardness, color, and size
• luster, hardness, color, and shape
• luster, hardness, shape, and streak
• luster, hardness, streak, and color

Which type of rock is formed from molten material which has cooled and hardened?

• layered rocks
• igneous rocks
• sedimentary rocks
• metamorphic rocks

What do ice and wind do to rocks?

• break them up
• make them grow
• change the crystal structure
• change the chemical composition

What happens to large rocks on Earth's surface over time?

• they increase in size
• they change to plants
• they are glued together
• they break into smaller rocks

Rocks are classified into three groups.  What are the three groups of rocks?

• sedimentary, non-metal, igneous
• igneous, sedimentary, metamorphic
• metal, sedimentary, metamorphic
• metamorphic, mineral, sedimentary