🪣 Soil Types
Which soil type has large particles and drains water quickly?
Sand 🌾
What is a rock made of?
One or more minerals
What number is the softest mineral on the Mohs scale?
1 (Talc)
What happens when water breaks down rocks?
Weathering
What is soil made of? Broken rock, minerals, air, and organic matter
Broken rock, minerals, air, and organic matter
Which soil type has tiny particles and holds water the longest?
Clay 🧱
Which property is used to classify rocks—color or mineral content?
Mineral content
What number is the hardest mineral on the Mohs scale?
10 (Diamond)
What happens when wind or water move broken pieces of rock?
Erosion
Which property does NOT help classify a rock—color or minerals?
Color
Which soil type is a mixture of sand, silt, and clay—best for plants?
Loam 🌿
A student asks, “What minerals are in this rock?” Which property are they testing?
Rock classification
Which would be easier to break—a rock with talc or one with diamond?
Talc is softer, so it breaks easier.
What might happen under a gutter where water pours during rain?
A dent or hole forms because of erosion.
What does erosion look like after rain in a garden?
Small channels or holes where soil washed away
Why is sandy soil not good for young plants?
It drains water too fast and doesn’t hold nutrients well.
How do scientists test a mineral’s hardness?
Scratch test (using Mohs Scale)
Why do scientists use the Mohs scale?
To compare the hardness of minerals.
How does water change a mountain over many years?
It wears it down and changes its shape.
Why is it important to study rocks and soil?
They help us understand Earth and grow plants.