Arrow Crosswords Small Nature Easy — Set 20

Across

1. 4. The tiny building block that makes up all living things
2. 6. When one substance soaks up or takes in another
3. 7. A state of matter that holds its shape

Down

1. 1. A tool for measuring temperature
2. 2. A tiny particle of light energy
3. 3. A quick back-and-forth movement
4. 5. A group of living things that are the same kind

Across

1. 2. A change in a living thing that helps it survive
2. 3. The molecule inside cells that carries instructions for life
3. 5. The breaking down of rocks by weather, water, and living things
4. 6. A curved piece of glass that bends light
5. 7. How often something happens in a given time

Down

1. 1. The distance between one wave peak and the next
2. 3. Facts and information collected from experiments
3. 4. Facts that show something is true

Across

1. 1. How tightly packed the matter is in something
2. 3. The tiny building block that makes up all living things
3. 5. A natural solid substance found in the earth
4. 6. Any living thing such as a plant or animal

Down

1. 2. The band of colors formed when white light is split
2. 4. The tendency of an object to stay still or keep moving

Across

1. 1. A change in a living thing that helps it survive

Down

Across

1. 1. The passing of traits from parents to their children
2. 5. The act of moving or changing position
3. 6. A gas in the air that living things need to breathe

Down

1. 2. Related to the large plates that make up Earth's surface
2. 3. The upward force that makes things float in water
3. 4. A form of energy that allows us to see