true or false
1. The first step in scientific method is identifying the problem. 2. You can test your hypothesis through interview 3. An element is a substance that consists of one type of atom. 4. In an experiment, the factor that is changed is called the independent variable. 5. There are 120 elements in the periodic table. 6. The elements are categorized as metals, non-metals, metalloids and noble gases. 7. Mixture is a form of matter that has constant chemical composition. 8. The symbol of Calcium is Ca. 9. Homogeneous mixture is a mixture of two or more substances where the components cannot be visually distinguished. 10. If a metal is ductile, it can be drawn into wire.
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1. FALSE. The first step in the scientific method is observation.
2. TRUE. Yes, you can test your hypothesis through an interview.
3. TRUE. An element is a pure substance that cannot be broken down into pieces.
4. TRUE. The variable that is being changed is called the independent variable and the variable that is being observed is called the dependent variable.
5. FALSE. There are only 118 elements in the periodic table.
6. TRUE.
7. FALSE. Pure substance is the form of matter that has constant chemical composition.
8. TRUE.
9. TRUE.
10. TRUE. Metals are ductile, therefore, it can be drawn into wire.
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#sciencestudent
#stem
#science
Answer:
1.T
2.M
3.T
4.T
5.M
6.M
7.T
8.T
9.T
10.M
Explanation:
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