1. 1. A student hypothesizes that adding fertilizer to soil will have a positive effect on plant growth. When the student designs a fair test of the hypothesis, what will the independent variable be? A. the height of the plants B. the amount of fertilizer added to the soil C. the size of the pots in which the plants grow D. the amount of water each plant receives Warm-up January 3 District Assessment in 93 days April 4 th Write the question that is in blue. Pick the correct letter and write the answer phrase. You will turn in warm-ups every Friday for a daily grade.

2. Warm-up Jan. 4 2. A ball is dropped from each of the following heights: 1 meter, 3 meters, and 6 meters. The bounce of the ball is measured after each drop. The recorded heights are: 1 meter – 1.5 meters; 3 meters – 4.5 meters; 6 meters – 10 meters. What can you conclude from the data? A.Bounce height increases with drop height. B.Bounce height decreases with drop height. C.Bounce height is dependent on the size of the ball. D.Bounce height is independent of drop height Write the question and complete answer Science Fair Jan. 13 District Assessment in 92 days April 4 th

3. Warm-up Jan.5 3. List the 5 functions of the skeletal system. (344) Write the question and complete answer Science Fair Jan. 13 District Assessment in 91 days April 4 th

4. Warm-up Jan. 6 4. What would the hypothesis be for an experiment that compares the buoyancy (ability to float) of paraffin, beeswax, and cork? A.How well do different substances float? B.What is buoyancy? C.Beeswax look different than paraffin and cork D.Beeswax will be more buoyant than cork or paraffin. Write the question and complete answer Science Fair Jan. 13 District Assessment in 90 days April 4 th