U-Science-Gr8-Unit5 PBT-CBT (2019-20)
Question: 1-2
Earth Jupiter, Mars, the Moon, and the Sun are objects found within our Solar System. Suppose a 1 kilogram (kg) mass was placed on the surface of each object.
Which of the following arranges the objects based on increasing weight of the 1 kg mass?
Earth, Jupiter Mars, Moon, Sun
Jupiter, Sun, Moon, Earth, Mars
Moon, Mars, Earth, Jupiter, Sun
Sun, Jupiter, Mars, Moon, Earth

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?