Science Grade 2 Vocab review - Rocks, Minerals, and Soil
1/30/2019 8:07:26 AM
10 questions extracted from Mobymax (Science, Grade 2), to help you review some basic vocabulary about Rocks, Minerals, and Soil. To learn more about this topic, get a Mobymax learning account (by going to http://contuhoc.com/mobymax).
A rock is _____.
- something living found in nature
- a solid made out of minerals
- how shiny something is
- a way of classifying minerals
What is a mineral?
- A way of classifying rocks
- How shiny something is
- A solid found in nature
- A very large rock
A boulder is __________.
- how shiny something is
- something useful found in nature
- a very large rock
- a way of classifying rocks
What is soil?
- It is a type of rock that is shiny.
- It is the layer covering the Earth’s surface. It is made up of small bits of rock, humus, air, and water.
- It is decaying plants and animals.
- It is the bottom layer where there are large pieces of rock.
Humus is __________.
- small bits of decaying plants and animals
- the bottom layer of soil that is made up of large pieces of rock
- a type of rock that is shiny
- the layer of soil that is made up of mostly clay and sand
What is a mineral? Check all that are true.
- something that is nonliving
- something soft
- something that can be classified
- a solid found in the Earth
What is soil made of? Check all that are true.
- humus
- metal
- air
- E.water
Why do rocks look and feel different from one another?
- They are made out of different minerals.
- They come from all over the world.
- They touch different plants.
- They weigh different amounts.
What is the bottom layer of soil?
- subsoil
- bedrock
- topsoil
- humus
How do animals like gophers and worms help plants grow?
- They eat other bugs that would eat the plants.
- They help save water in the tunnels that they dig.
- They eat the roots of the plants.
- They mix up the soil and add air to the soil when they dig tunnels.