1.Why do your feet stay on the ground? - because of gravity, What is the Sl unit used to measure force? - Newton, How does gravity affect object on Earth? - Gravity pulls object, 5.What is a force? - A force is a push or pull on an object that can cause it to move, stop or change direction., What happens when light hits an object? - The object reflects the light., What is the biggest source of light? - Sun, How does light travel? - In a straight path., What kind of radiation? - Electromagnetic, What object does not transmit light? - Opaque object, In which direction does the moon rise? - The moon rises in in the east., In which direction does the moon set? - The moon sets in the west., Does the moon always rise and sets at the same time? - No, the moon rises and sets at different times each night, depending on its phase and position in the sky., Can you see the moon during the day? - Yes, sometimes the moon is visible during the day, especially when it's in certain phases, like the first or last quarter.,

Science grade4

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