DCA Review 2024 SciTech

Is a lion living or non living organism?

• Living

• Nonliving

Find the one that is not living

• bird

• rock

• tree

• tiger

A soil that has an almost equal amount of sand and silt and a bit of clay is....

• loamy soil

• topsoil

• compost

• bedrock

Decaying plants and animal decay is called...

• bedrock

• pesticides

• silt

• humus

Any material added to soil that helps plants grow is called

• compost

• erosion

• fertilizer

• juice

A substance that is used to destory pests such as insects or weeds is called..

• fertilizer

• pesticide

• compost

• erosion

What type of plants grow in soil? Click all the apply

• shrub

• roses

• palm trees

• grass

True or false: Sand is soil.

• True

• False

The washing away or blowing away of the top layer of soil is called

• fertilizer

• soil erosion

• soil horizons

• Christmas

What do plants use soil for?

• Anchor plant to ground

• provide organic matter

• absorb nutrients

• all of the above