LUOA's 8th Grade Semester 1 5.18.F - Test: Semester Exam 2024

You are expected to complete approximately ___________________ minutes of school work EVERY DAY, Monday-Friday, in each of your classes. - correct answer 45 A(n) __________ is a logical interpretation based on observations and previous knowledge. - correct answer inference What is a theory? - correct answer A possible explanation of a general principle offered to explain observed facts. To take back something someone stated publicly is to _________ their statement. - correct answer recant Which experiment of Galileo's was performed on the moon? - correct answer dropping a feather and a hammer The factors that can change during an experiment are referred to as _________. - correct answer variables How many independent variables (IV) should you have in an experiment? - correct answer only one Grandma Hippity Hop is worried about the ice that will be forming on her sidewalk this winter. She doesn't have money to waste on sidewalk salt that is ineffective, so Brenda decides to do some testing for her. What should her control be to test this? - correct answer same size of ice cubes Convert this number from standard form into scientific notation: 18,900,000 - correct answer 1.89 x 107