help plss

1. Which of the following refers to the sequence of steps followed by scientists to differentiate truth from myth or validate speculations?

A conclusion B. research
C. scientific method
D. superstitious belief

2. Which step in the scientific method is described as an educated guess?

A. conclusion B. hypothesis C. observation D. test

3. Which step in the scientific method where data are arranged into tables and graphs?

A. analysis. B. conclusion C. hypothesis D. observation

4. What is made up of two or more substances that are physically combined?

A. compound B. element
C. mixture D. substances

5. What type of mixture has only one phase or appearance?

A. element B. heterogeneous C. homogeneous D. substances

6. What do you call to the substances that are made up of more than one type of atom?

A. compound B. homogeneous C. mixture D. solution

7. Which of the following is heterogeneous when mixed?

A. oil in water B. sugar in water C. salt in water.
D. powdered juice in water

8. Which of these is/are a solution/s?

I. alcohol and water
II. oil and water
III. pebbles and water
IV. sugar and water

A. I only B. I and IV C. II and III
D. ll only

9. Which two parts of the light microscope magnify the image of an object?

A. eyepiece and mirror
C. eyepiece and objectives
B. objectives and mirror
D. objectives and diaphragm

10. What is the correct way of carrying a microscope?

A. Hold the arm by grasping with one hand,
B. Hold the base by grasping with two hands.
C. Hold the arm by grasping with one hand and the stage with the other hand,
D. Hold the arm by grasping it with one hand and support the base with the other hand,

11. You mixed soil and water in a jar. After a few days, the soil has settled to the bottom of the
jar and the water is at the top. What classification of matter is this?

A. compounds B. elements
C. mixtures D. pure substance






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