Classic Crosswords Classic Nature Super Expert — Set 29

Across

1. 3. Related to the large plates that make up Earth's surface
2. 6. Facts that show something is true
3. 7. A mixture where one substance dissolves completely in another
4. 8. A gas in the air that living things need to breathe

Down

1. 1. To find the size, amount, or degree of something
2. 2. The rate at which something speeds up
3. 4. The act of moving or changing position
4. 5. The steps followed to do an experiment

Across

1. 1. The slow process of living things changing over many years

Down

Across

1. 1. An educated guess about what will happen in an experiment
2. 7. How hot or cold something is
3. 8. The process of getting bigger or more developed
4. 9. Any living thing such as a plant or animal

Down

1. 2. A community of living things and their environment working together
2. 3. How tightly packed the matter is in something
3. 4. A tool for measuring temperature
4. 5. A natural solid substance found in the earth
5. 6. A path that electricity travels along

Across

1. 2. To say what you think will happen based on evidence
2. 4. A form of energy that makes things warm
3. 7. The process of making new living things
4. 8. A curved piece of glass that bends light
5. 9. The invisible force that pulls things toward the Earth
6. 10. Two or more atoms joined together

Down

1. 1. A tool that makes far-away things look closer
2. 3. A substance made of two or more elements bonded together
3. 5. A tool that makes very tiny things look bigger
4. 6. A sudden shaking of the ground caused by movements deep inside Earth

Across

1. 1. A glass building for growing plants or the warming effect on Earth
2. 3. To sort things into groups based on their features
3. 6. The path water takes as it moves between Earth and sky
4. 8. A mountain with an opening that can erupt hot lava

Down

1. 2. A community of living things and their environment working together
2. 4. The tendency of an object to stay still or keep moving
3. 5. A pattern of energy moving through space or matter
4. 7. The part of an experiment that stays the same for comparison