1) Scientific skills:controlling variables-a variable that is observed in an investigation is known as a __ __ a) manipulated b) manipulated variable c) constant d) constant variable e) responding f) responding variable 2) Humans:when human inhale __ __ __ a) Nose-Lung-Trachea b) Lung-Nose-Trachea c) Nose-Lung-Trachea d) Trachea-Lung-Nose e) Nose-Trachea-Lung f) Lung-trachea-Nose 3) Animals:Fish breath with ___ a) Lung b) Gills c) Moist skin d) Spiracles e) Lung and moist skin f) Moist skin and Spiracles 4) Plants:which plants will droop and fold their leaves inward when touched a) Mimosa pudica b) Jasmine c) Sunflower d) Rose e) Cactus f) Orchard 5) Light:a brick is ___ a) Trasnparent object b) Translucent object c) Opaque 6) Sound:what does a cat sound. a) Meow,Meow b) Wof,Wof c) Mehhh,Mehhh 7) Energy:Which of the following are energy from plants. a) Rubber tree b) Tomato tree c) Banana tree 8) Earth:How many hours are (half) a day a) 12 hour b) 24 hour 9) Machine:Two men are trying to move a big rock that is blocking the what should they do a) Do nothing b) Use a big machine c) Use a stick on a rock using force,folcrum and load

Science year 4

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