Across
- 3. these objects attract certain metals and have both North and South Poles
- 4. this spinning on Earth's axis is the length of one day because it takes 24 hours
- 6. this type of rock forms when magma cools and solidifies
- 8. this property is found by dividing the mass of an object by its volume
- 10. the four large outer planets in our solar system are made of this
- 13. when we cut down trees or burn fossil fuels, we release this gas
- 15. this phase change occurs when water vapor turns into water droplets
- 18. when light appears bent because it travels at different speeds from air to water
- 19. fossil fuels are considered to be this because they take millions of years to form
- 20. this type of moon will appear when the entire illuminate side is showing
- 21. Earth is closest to the Sun in this season
- 22. these ancient animal and plant remains get older as you go further underground
- 24. this is a chemical sometimes found in rain and it can dissolve rock
- 26. This occurs when one tectonic plate is forced beneath the other forming a trench
- 27. the planets solar systems and galaxies are all part of the
- 28. the Sun is the center of the milky way which is a
Down
- 1. this theory states that all the landmasses on Earth were once joined together
- 2. this occurs when two tectonic plates slide horizontally past each other
- 5. rocks are classified as igneous, sedimentary or metamorphic based on their method of
- 7. these occur in the mantle and are caused by hot magma rising and cooler magma sinking
- 9. the strength of this universal force is determined by the mass and distance between two objects
- 11. this occurs when Earth's shadow falls on the moon
- 12. when the illuminated side of the moon we can see decreases
- 14. in order to increase the volume of a sound, you must increase the intensity which is known as the
- 16. Sound cannot travel through this because there is absolutely no matter there
- 17. when the illuminated side of the moon we can see increases
- 23. seasons on Earth are caused by this property which is approximately at 23.5 degrees
- 25. when you scrape a mineral on a surface, the powdered mark it leaves is called the
