A track team wanted to test out new NikeSpeed running shoes that claim to make them run faster than their regular Nike shoes. If they wanted to test these shoes, what would be
her:
1. Independent variable:
2. Dependent Variable:
3. TWO controlled variables:
4. Control Group:
5. Experimental Group:

Athermometer is placed in water in order to measure the water’s temperature. what would cause the liquid in the thermometer to rise?

What type of cell is produced after fertilization occurs and the gametes combines ?

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.