3rd Grade MYF Spiral Review

Front

What is a characteristic of a rock that has been in the ocean for a long time?

Back

A rock that is smooth and round.

Front

What is the hardness of Orthoclase on the Mohs scale?

Back

Orthoclase can scratch Apatite but can be scratched by Quartz.

Front

Which thermometer indicates the coolest temperature?

Back

Thermometer 3.

Front

Which type of soil holds the most water?

Back

Clay, because it has poor drainage and its particles are the smallest.

Front

What type of soil has very large particles and drains quickly?

Back

Sand.

Front

What is the definition of a mineral?

Back

A naturally occurring, inorganic solid with a definite chemical composition and crystalline structure.

Front

What is the Mohs hardness scale used for?

Back

To measure the hardness of minerals.

Front

What are the three main types of soil?

Back

Sand, silt, and clay.

Front

What is the difference between sand and clay in terms of water retention?

Back

Sand drains quickly, while clay holds water due to its small particles.

Front

What is a characteristic of silt?

Back

Silt clings together when wet and does not drain well.