1) The independent variable is also known as the ___ variable. a) manipulated b) dependent c) responding 2) The dependent variable is also known as the ____ variable. a) responding b) manipulated c) independent 3) This type of variable must stay the same and cannot change each trial! a) independent b) constant c) dependent 4) Which device battery holds a charge better. I Phone, I Pad, or Galaxy. What is the independent variable? a) brightness setting b) battery time c) type of device 5) Which device battery holds a charge better. I Phone, I Pad, or Galaxy. What is the dependent variable? a) battery time b) brightness setting c) type of device 6) Which device battery holds a charge better. I Phone, I Pad, or Galaxy. What is one constant variable? a) bettery time b) type of device c) brightness setting 7) An educated guess on the outcome of an experiment? a) hypothesis b) manipulated variable c) constant 8) Storage area in a cell? a) mitochondria b) nucleus c) chloroplast d) vacuole 9) The atomic number is equal to the number of ____ in the nucleus. a) protons b) neutrons c) electrons 10) Which choice below is an example of an acid? a) soap b) soda c) baking soda d) bleach 11) Which IS found in a plant cell but NOT in an animal cell? a) ribosome b) nucleus c) cell wall d) cytoplasm 12) Which choice below is a dwarf planet because it DOES NOT clear its neighborhood? a) Pluto b) Mercury c) Mars d) Neptune 13) We have seasons on Earth because of Earths? a) rotation on its axis b) revolution around the Sun c) 23.5 degree tilt 14) 78% of Earths atmosphere is made of? a) nitrogen b) oxygen c) helium 15) Which choice below describes the gas giants in our solar system? a) slow revolution b) fast revolution c) few or no moons 16) Pluto is a dwarf planet and is part of the? a) Inner planets b) Asteroid Belt c) Kuiper Belt

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