1) Which organ is found in the head? a) Heart b) Brain c) Kidneys d) Lungs e) Esophagus f) Liver 2) Which organs are found in the chest? a) Brain b) Liver c) Lungs d) Kidneys e) Heart f) Esophagus 3) What do the lungs do? a) Excretion b) Digestion c) Breathing d) Chew e) Laugh f) Talk 4) What do we breathe in? a) Carbon dioxide b) Nitrogen c) Nothing d) Oxygen e) Water f) Chicken 5) Why do we need food? a) To grow b) To breathe c) To sleep d) To do this e) To die f) To hack 6) Where are the kidneys found? a) Near to the heart b) Near the intestines c) Idk what to put here XD d) Below the ribs e) In your head f) In your chest 7) What shape are your kidneys? a) Square b) Circle c) Flat d) Circular  e) Bean-shaped f) Pointy 8) Name the parts of your brain. a) Cerebellum, Heart, and Brain stem b) Cerebellum, Cerebrum, and Flower stem c) Cells, Cerebrum, and Brain stem  d) Head, Cerebrum, and Brain stem e) Cerebellum, Cerebrum and Brain stem f) Dead, Cerebrum, and Brain stem 9) What is a producer? a) An animal that eats plants b) An animal that eats other animals c) A plant d) A robot e) Humans f) Birds 10) Name a reversible change. a) Ice -> Water b) Wood -> Ash c) Raw egg -> Fried egg d) Iron -> Rust e) Wood -> Rotting wood f) Paper -> Ash 11) How to measure the mass? a) Newtons b) Meters c) Centimeters d) Grams e) Kilograms f) Millimeters 12) How to measure the weight? a) Newtons b) Meters c) Kilograms d) Grams e) Millimeters f) Centimeters 13) What do you measure electricity in? a) Centimeters b) Voltage c) Meters d) Millimeters e) Grams f) Newtons 14) Why are forests chopped down? a) To dance b) To make kettles c) To make Bags d) To make dresses e) To do nothing f) To collect wood to make furniture 15) What are the negative effects when we cut down trees? a) Nothing b) More animals c) More trees grow d) We rant about it e) Global warming f) We will be happier 16) What is the main factor of air pollution? a) More animals b) Cars and factories c) Global warming d) Nothing it doesn't exist e) Idk what to put here XD f) More trees grow 17) How is acid rain caused? a) You did it b) Animals dead bodies c) All the wood d) Sulfur dioxide dissolves in rainwater e) Salt dissolves in rainwater f) Carbon monoxide dissolves in rainwater 18) How can we help the environment? a) Throwing our trash in the lakes or rivers b) Leave all your appliances running c) Turn off anything we aren't using d) Kill all the animals e) Chop many trees down f) Stop planting plants 19) Does pure water conduct electricity? a) Yes b) No c) How am I supposed to know?? d) Ask yourself e) Google it f) Do it 20) How many (V) does it take to light up 10 motors a) 429 b) 177 c) 419 d) 124 e) 300 f) 240

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