SUMMATIVE TEST GRADE 7 1Q.

1. What is the third step of scientific method/investigation?

• Identify the problem

• Create a hypothesis

• Testing of Hypothesis

• Drawing conclusion

It is the motion due to the collision of rapidly moving particles or the erratic movement of colloid particles.

• Conduction

• Suspension

• Brownian movement

• Convection

Which type of substance is sodium chloride (NaCl)?

• Acid

• Base

• Salt

• Sugar

Which Sulfur and iron filings are put together? The components can be separated through which process?

• Decantation

• Filtration

• Magnetic separation

• Evaporation

It is the maximum amount of a substance that will dissolve in a given amount of solvent at a specified temperature?

• Solute

• Solubility

• Soluble

• Solvent

This refers to as the ability of a liquid solute to dissolve in a liquid solvent?

• Solubility

• Immiscible

• Homogeneous Mixture

• Miscible

One of the properties of colloids that involves adhesion of any such species onto the surface of the particles.

• Absorption

• Adsorption

• Collision

• Suspension

Considered as the systematic body of knowledge that deals with natural world and propose explanations that can be tested by examining evidences?

• Chemistry

• Physics

• Science

• Scientific experiments

A type of data gathering that obtained by counting or measuring?

• Quantitative Data

• Qualitative Data

• Quantity Data

• Quality Data

This must be stated in a way that makes it testable, possible answer to the question and must be thoroughly tested.

• Data analysis

• Drawing of Conclusion

• Hypothesis

• Statement of the problem