POST TEST IN LESSON 1 & 2

Which of the following statements is not an observation?

• The toy car is durable.

• The toy runs very fast.

• The toy car is his favorite toy.

• The toy car has a mass of 38 grams.

Which of the following statements about the Php 1,000 bill is an inference?

• The Php 1,000 bill is smooth.

• The Php 1,000 bill has the image of an eagle.

• If Php 1,000 bill is crumpled and damaged, then it can be replaced by banks.

• Replacement of the Php 1,000 bill is allowed by the bank if it is found damaged.

Which of the following tools is used to measure the mass of an apple?

• beaker

• graduated cylinder

• microscope

• triple beam balance

You noticed two men carrying a laptop away from your neighbor's house. Which of the following statements is an inference based on your observation?

• The laptop is still new.

• The laptop is not durable.

• The men stole the laptop.

• Your neighbor sold the laptop because he or she has a new one.

You are sorting clothes according to how they are used. What skill do you practice?

• Comparing

• Classifying

• Measuring

• Predicting

You are measuring the mass, length, and volume of the objects. What process are you doing?

• Classifying

• Observing

• Predicting

• Measuring

Which of the following statements describes how science affects everyday living?

• Science inventions gave significant men only.

• Science helps people around the world live lazily because of the "push buttons" gadgets

• Science provides new ways to build, move, communicate, heal, learn, and play.

• All of the choices.

Which of the following is NOT a step in the science investigation?

• Create biases

• Make observations

• Make a hypothesis

• Formulate a problem

What is the difference between a question and a scientific guess?

• A question is the summary of data collected, while a scientific guess is the interpretation of the data.

• A question is an assumption, while a scientific guess is the answer to the assumption.

• A question is what you end up with after the test, while a scientific guess is a summary of the conclusions.

• A question follows from an interesting observation, and a scientific guess is an educated guess or the possible answer to that question.

Which of the following skills does a scientist use when he or she finalizes his or her answer to the problem?

• Drawing conclusion

• Interpreting data

• Making a hypothesis

• Making observations