Grade 3 Qtr 1 Science Exam 2024-2025

The top layer of soil is called ______.

• topsoil

• subsoil

• bedrock

The middle layer of soil is called ______.

• topsoil

• subsoil

• bedrock

The bottom layer of soil is called ______.

• topsoil

• subsoil

• bedrock

When a rock gets broken down into soil, this process is called ______.

• topsoil

• water capacity

• weathering

• erosion

Which layer of soil has the most humus?

• topsoil

• subsoil

• bedrock

Which layer of soil is solid rock?

• topsoil

• subsoil

• bedrock

Which layer of soil has only a little bit of humus?

• topsoil

• subsoil

• bedrock

The decayed remains of plants and animals is called ______.

• soil

• subsoil

• humus

• weathering

Are there minerals in soil?

• Yes

• No

Soil is one of the important resources we get from Earth.

• True

• False