1st PT SCIENCE 5 REVIEWER

Which of the following scenarios correctly demonstrates the use of a thermometer?

• A. Using it to measure the length of a desk.

• B. Using it to determine how heavy a book is.

• C. Using it to see how much water is in a cup.

• D. Using it to find the temperature of water in a beaker.

You place a glass of ice water on a scale. What will happen to the reading on the scale as

the ice melts?

• A. The mass will decrease because the ice is disappearing.

• B. The mass will increase because the water will occupy more space.

• C. The mass will decrease because the water will take up less space.

• D. The mass will stay the same because the total amount of matter is conserved.

A scientist measures the mass of a rock to be 2000 grams (g). How much is this in kilograms

(kg)?

• A. 2kg

• B. 20kg

• C. 200kg

• D. 20,000kg

A chef wants to measure a precise amount of salt for a recipe, which is a small quantity.

What unit would be the most appropriate for this measurement?

• A. Liters (L)

• B. Grams(g)

• C. Kilograms (kg)

• D. Milligrams (mg)

A thermometer is a tool designed to measure what physical quantity?

• A. Mass

• B. Length

• C. Volume

• D. Temperature

A student needs to find the mass of a rock for an experiment. Which tool is the most

appropriate for this task?

• A. A thermometer

• B. A weighing scale

• C. A measuring tape

• D. A graduated cylinder

A student notices that plants grow taller in sunlight than in shade. What step of the scientific

investigation did they just complete?          

                              

                              

• A. Identify the problem.

• B. Communicate the results

• C. Follow the steps in the procedure

                                

• D. List down the necessary materials

A scientist records the number of times a bird visits a feeder over the course of a week. This

action best represents which step of the scientific method?

• A. Analyzing data.

• B. Forming a hypothesis.

• C. Drawing a conclusion.

• D. Collecting and recording data.

Which of the following describes the correct order of the first three steps in a simple scientific

investigation?

• A. Experiment, Conclusion, Hypothesis.

• B. Hypothesis, Observation, Experiment.

• C. Observation, Experiment, Conclusion.

• D. Observation, Hypothesis, Experiment.

What happens to the particles of a substance as it changes from a liquid to a gas during

boiling?

• A. They decrease in size.

• B. They vibrate in fixed positions.

• C. They become more tightly packed and stop moving.

• D. They gain enough energy to break free from each other and move rapidly and

  randomly.