Question

Directions: Read each item carefully. Choose the letter of the correct answer and write the answer on the blank. ____1. Carla planted papaya seeds separately in cans. She used different amounts of fertilizer in germinating the seeds. The volume of each liquid is the same and exposure to light was moderate. She found out that the papaya seeds germinated at different times. What is the independent variable in the set up? A. The time of germination of the seeds C. The amount of sunlight B. The different amount of liquids D. The amount of fertilizer ____2. What science processes does Sandy use when she groups her collection of flowers according to color? A. Classifying and measuring C. Observing and classifying B. Classifying and testing D. Observing and inferring ____3. You observed that the iron grills in your gate become rustier after the rain. You wonder why they become rusty. Which step in the scientific method is involved? A. Formulating hypothesis C. Identifying the problem B. Gathering data D. Making conclusion ____4. Calcium is an essential element that makes bones stronger. Which of the following is the symbol for this element? A. C B. Ca C. N D. Na ____5. Sodium chloride (NaCl), a combination of sodium (Na) and chlorine (Cl), is dissolved in water. After several days, the water had evaporated and the salt was left in the container. How will you classify the salt? A. Compound B. Element C. Metal D. Mixture ____6. Which of the following statements is NOT TRUE? A. Components of water can be separated by electrolysis. B. Compounds are made up of one kind of element. C. Sodium Chloride is made up of two elements. D. Compounds are more complex than elements. ____7. Compounds are different from mixtures because________________ A. Compounds are held together by chemical bonds B. Compounds can be separated by physical means C. Mixtures cannot be separated by physical means D. Mixtures are held together by chemical bonds. ____8. Seawater is a mixture made up of salts and water. Which of the following statements BEST describes seawater? A. Seawater has components that are chemically combined. B. Seawater has components that are strongly bonded to one another. C. Seawater cannot be filtered and it shows a single physical appearance. D. Seawater shows the different physical characteristics of the components. ____9. Ella was given three unknown liquid samples. Her observations are written in the table below.​

Answer 1

Answer:

Seeds are also sown in raised nursery beds. Around 350 g seeds are needed to plant one hectare area. Germination can take place in 2-3 weeks after sowing. About 6-7 weeks old seedlings are ready for transplanting.

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