Multiple Choice Write the CAPITAL LETTER of the correct answer in the blank provided before the number. (20 points) 1 What is the process of obtaining information by using the senses? A analysis B. conclusion Cinquiry Dobservation 2 Which of the following is the correct order of the steps in the scientific method? A hypothesis, ask question, observation experiment, gather and analyze data conclusion B. hypothesis, observation, ask question, experiment gather and analyze data, conclusion C. observation, ask question, hypothesis, experiment, gather and analyze data, conclusion D. observation, hypothesis, ask question, experiment, gather and analyze data, conclusion 3 What is a series of steps designed to help you solve problems and answer questions? A experiment B hypothesis C observation D. scientific method 4 A scientist who wants to study the effects of fertilizer on plants sets up an experiment. Plant A gets no fertilizer Plant gets 5 mg of fertilizer each day, and Plant C gets 10mg of fertilizer each day Which plant is the control group? A Plant A B. Plant B C. Plant C D Plant A and C 5 A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water in this experiment the independent variable is A. the type of water C. the temperature of the water 8. the amount of salt in the water D the number of plants in the water 6 What are the two classifications of substances? A Element and Mixture C. Compound and Mixture B. Element and Compound D. Compound and Pure substance 7 What substances are made up of atom or atoms of the same kind ? A. Compounds B. Elements C. Mixtures D. Pure substances 8 The following are elements EXCEPT one. What is it? A Gold B. Hydrogen C. Iron D. Water 9 What are the two elements that compose a molecule of water? A. Carbon and Hydrogen C. Hydrogen and Oxygen B. Hydrogen and Calcium D. Chlorine and Oxygen 10 Which does NOT belong to the group? A Acid B. Metal C. Metalloid D. Non-metal 11 A scientist hypothesizes the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. Which of the following is the dependent variable in the situation? A. the incubator C the temperature B. the size of the baby alligators D. the gender of the baby alligators 12 Kathy used a survey to determine how many of her classmates were left-handed and how many were right- handed A Recognize a problem B. Form a hypothesis C. Experiment D. Gather and analyze data 13 Salt or Sodium chloride (NaCl) is a compound. What are the elements that compose this compound? A Hydrogen and Oxygen C Sodium and Chloride B Sodium and Calcium D. Sodium and Chlorine 14 Which of the following are examples of compounds? A. Iron, Phosphorus, Salt, Water, Rust B. Hydrogen, Oxygen, Salt, Water, Chalk C Iron, Oxygen, Hydrogen, Calcium. Gold D. Salt, Water, Chalk, Rust, Sugar, Carbon dioxide 1117​