Study guide test 1 LS 1
- According to this graph which pet was least requested?______
- How many trials were conducted for this experiment?______
- What is the independent variable for this investigation?______
- What is the mass on this triple beam balance?______
- Joe thought cardinals (birds) preferred worms to sunflower seeds. He observed two cardinals in his back yard eating. Sunflower seeds were in the bird feeder, but the cardinals were scratching in the flowerbed apparently looking for worms. According to the scientific process what should Joe do next?
- Draw the conclusion that his hypothesis was correct.
- Put pumpkin seeds in the birdfeeder.
- Continue collecting data because two observations is not enough data on which to base a conclusion.
- What is the volume of the fish?______
7.The metric units milligrams, grams and kilograms would be used to measure______.
8. The metric units millimeters, meters, centimeters and kilometers would be used to measure______.
9. The metric units liter and milliliter would be used to measure______.
10. When measuring the mass of a kitten which metric unit should you use?______
11. When measuring the amount of liquid food coloring used in cake icing ( a small amount) what metric unit should you use?______
12. Sallyanne wondered if the brand of dog food had any effect on pet growth. She gave Grow Strong dog food to her beagle and Happy Dog food to her poodle. What mistake did Sallyanne make?______
13. According to the graph below what is the independent variable in this investigation?______
14. At noon, how far were hikers from the Ranger’s station?______
15. What is the dependent variable for the graph above?______
16. What time was it when hikers were four miles from the station?______
17. Adding nitrogen to plants makes them greener. What is the independent variable in this statement?______
18.List six parts of the scientific method/process.______
19. What temperature is shown on this thermometer?______
20. Shade this thermometer to show the freezing temperature of water.
21. At what temperature on the Celsius scale does water freeze?______
22. What equipment would a scientist use to measure the volume of a marble?
a. ruler b. balance c. microscope d. graduated cylinder
23. Factors in an experiment that must be kept the same are called ______.
a. constants b. variables c. errors d. hypothesis
24. Molly thinks that calcium will help tomatoes grow better. What is her control groups for this investigation?
a. the tomatoes that receive 43 mg of calcium
b. the tomatoes that receive 33 mg of calcium
c. the tomatoes that received only water.