Grade 4 Science Test

a solid, nonliving substance found in nature

• mineral

• sedimentary rock

• igneous rock

• metamorphic rock

• sediment

a rock that forms when molten rock cools and hardens

(a)  

• mineral
• sedimentary rock

• igneous rock
• metamorphic rock

• sediment

a rock made from layers of sediment

(a)  

• mineral

• sedimentary rock
• igneous rock

• metamorphic rock

• sediment

tiny bits of weathered rock

• mineral

• sedimentary rock
• igneous rock

• metamorphic rock

• sediment

a rock made by heating and squeezing

(a)  

• mineral

• sedimentary rock
• igneous rock

• metamorphic rock
• sediment

Label the rocks correctly

• sedimentary rock

• 
• igneous rock

• 
• metamorphic rock

• 

_____________ is a mixture of minerals, weathered rock, and other things.

• subsoil

• topsoil

• bedrock

• humus

• soil

​ (a)   ​ is the top layer of soil.

• subsoil

• bedrock

• humus

• soil

• topsoil

​ (a)   has bits of decayed plants and animals

• subsoil

• topsoil

• bedrock

• soil

• humus

_____________ is the layer of soil below the topsoil.

• subsoil

• topsoil

• bedrock

• humus

• soil