Question | Answer |
What does work mean in science? | It is when you move an object. |
What are the names of 3 organ systems? | The Nervous system, the Digestive system, and the Circulitory system. |
How do you calculate Mechanical Advantage? | You take the output force and divide it by the input force. |
What is the formula for Speed Ratio? | SR=din/dout |
What are the 6 simple machines? | Lever,Inclined Plane,Wedge,Pulley, and Wheel and Axle. |
What is a Pure Substance? | It is a fluid made of only one component, itself. |
What is a concave lens? | It is a lens that spreads out the light that is refracted through it. |
What is the Integumentary system about? | Your skin? |
What is a colloid? | A substance thats components separate after a long period of time. |
What is the job of enzymes? | They help to break down your food. Found in saliva. |
What does your bladder do? | It stores urine. |
Where could you find nerves? | You could find them in your spinal cord. |
Do you have to use math in science? | Yes! |
How do you calculate Density? | YOu divide mass by volume. |
In Mrs.Harris's grade eight science classes did we have to do a lab on disecting a chicken wing? | Yes |