Grade 5 - Skin
Grade 4
100

What is the largest organ in the body?

Skin!

100

What is an ecosystem? 

An ecosystem is like a habitat where an organism lives, but it includes many habitats plus the nonliving systems that support them.

200

Name 3 things your skin protects you from.

1. Burns

2. Dirt and germs

3. The sun's dangerous rays

200

What is an ecologist?

Someone who studies nature and life and the interrelationships between living and nonliving things.
300

If you stretched out an adult's skin into a flat sheet, it would cover an area of about.....

21 square feet.


300

What are 4 examples of nonliving things living things need for survival?

1)Air

2)Water

3)Habitat

4)Sunlight

400

The lowest layer, the subcutaneous tissue, helps your body regulate what?

It's temperature!
400

How do flowers depend on bees?

Flowers do not have hands or feet or any other way to get their pollen to other flowers. So, they depend on bees and other insects to spread it for them.

500

Which layer of the body contains the chemical keratin?

The epidermis

500

Describe the example of the ecosystem with a toad and examples of how the living and nonliving things interact. 

Insects find shelter and food on trees and in moss. The toad finds those insects and eats them. The toad depends on rainfall to supply a place to lay eggs. One day, maybe a snake will eat the toad.

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