Quiz about 1st PT SCIENCE 5 REVIEWER

Question 1

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

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 2

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

the ice melts?

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 3

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

(kg)?

Accepted Answer

A. 2kg

Answer

B. 20kg

Answer

C. 200kg

Answer

D. 20,000kg

Question 4

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?

Accepted Answer

B. Grams(g)

Answer

A. Liters (L)

Answer

C. Kilograms (kg)

Answer

D. Milligrams (mg)

Question 5

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

Accepted Answer

D. Temperature

Answer

A. Mass

Answer

B. Length

Answer

C. Volume

Question 6

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

appropriate for this task?

Accepted Answer

B. A weighing scale

Answer

A. A thermometer

Answer

C. A measuring tape

Answer

D. A graduated cylinder

Question 7

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

investigation did they just complete?

Accepted Answer

A. Identify the problem.

Answer

B. Communicate the results

Answer

C. Follow the steps in the procedure

Answer

D. List down the necessary materials

Question 8

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?

Accepted Answer

D. Collecting and recording data.

Answer

A. Analyzing data.

Answer

B. Forming a hypothesis.

Answer

C. Drawing a conclusion.

Question 9

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

investigation?

Accepted Answer

D. Observation, Hypothesis, Experiment.

Answer

A. Experiment, Conclusion, Hypothesis.

Answer

B. Hypothesis, Observation, Experiment.

Answer

C. Observation, Experiment, Conclusion.

Question 10

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

boiling?

Accepted Answer

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

randomly.

Answer

A. They decrease in size.

Answer

B. They vibrate in fixed positions.

Answer

C. They become more tightly packed and stop moving.

Question 11

Why is convection generally the dominant form of heat transfer in liquids and gases?

Accepted Answer

D. Their particles can move freely and create currents when heated unevenly.

Answer

A. They have very high thermal conductivity.

Answer

B. They are transparent to electromagnetic waves.

Answer

C. Particles in liquids and gases are rigidly fixed in place.

Question 12

When you touch a cold metal object, why does it feel cold to your hand?

Accepted Answer

B. Heat from your hand is transferred to the metal by conduction.

Answer

A. Convection currents are pulling heat away from your hand.

Answer

C. The metal is creating cold energy that transfers to your hand.

Answer

D. The metal is radiating cold waves to your hand.

Question 13

Which of the following is the most appropriate tool for precisely measuring the volume of 15.0

mL of a liquid in a chemistry laboratory?

Accepted Answer

D. A graduated cylinder

Answer

A. A beaker

Answer

B. A balance scale

Answer

C. A measuring tape

Question 14

A student wants to find the volume of an irregularly shaped rock. Which method is most

appropriate and why?

Accepted Answer

C. Using the water displacement method with a graduated cylinder

Answer

A. Using a balance to find its mass.

Answer

B. Estimating its volume based on visual inspection.

Answer

D. Measuring its length, width, and height with a ruler and multiplying them.

Question 15

If you are told that a bottle contains 500 mL of soda, what property of the soda are you being

informed about?

Accepted Answer

C. Its volume

Answer

A. Its mass

Answer

B. Its density

Answer

D. Its temperature

Question 16

Imagine you have a cup of hot water. As it sits on your desk, you notice steam rising from it.

Which of the following is the best explanation for what is happening?

Accepted Answer

D. The water is evaporating into a gas (water vapor) and rising into the air.

Answer

A. The steam is a new type of matter.

Answer

B. The hot water is turning into a solid.

Answer

C. The water molecules are getting bigger and flying away.

Question 17

You have a balloon filled with air. What happens to the air inside the balloon when you

squeeze it?

Accepted Answer

D. The gas particles are pushed closer together, but the air remains a gas.

Answer

A. The air disappears completely.

Answer

B. The air becomes a liquid and changes shape.

Answer

C. The air becomes a solid and changes volume.

Question 18

Which of the following common materials found at home has a definite shape and a definite

volume?

Accepted Answer

B. A wooden table

Answer

A. Air inside a balloon

Answer

C. Cooking oil

Answer

D. Milk

Question 19

Diana filled different balloons with helium gas for a birthday party. The balloons

have different shapes. What do you think Diana can conclude about the shape of gases after inflating all the balloons?

Accepted Answer

B. Gases take the shape of their container.

Answer

A. Gases maintain their original shape.

Answer

C. Gases cannot be contained and will disappear.

Answer

D. Gases are round no matter what the shape of their container is.

Question 20

Athena wants to conduct an experiment to observe the volume of different solid objects. She

fills two containers with small marbles made of glass and saw no change in the volume occupied by the marbles in both containers. What conclusion can Athena draw about the volume of solids based on her observations?

Accepted Answer

B. Solids have a definite volume.

Answer

A. Solids have no volume.

Answer

C. Solids have a variable volume.

Answer

D. Solids have a changing volume.

Question 21

A piece of wood is cut into two smaller pieces. What can be said about the properties of the

two new pieces?

Accepted Answer

B. They each have half the mass of the original piece but are still solids.

Answer

A. They have an indefinite shape and volume now.

Answer

C. They have the same mass as the original piece but a different volume.

Answer

D. They are no longer considered solids because their shape has changed.

Question 22

A student pours 200 ml of juice into a glass from a carton. The juice now takes the shape of

the glass. Which state of matter is the juice, and what does this demonstrate?

Accepted Answer

D. Liquid; it has a definite volume but an indefinite shape.

Answer

A. Liquid; it is compressible.

Answer

B. Solid; it has a definite volume.

Answer

C. Gas; it takes the shape and volume of the container.

Question 23

A balloon is inflated with air and then placed in a very cold room. The balloon shrinks slightly.

What state of matter is the air inside the balloon and why does it shrink?

Accepted Answer

D. Gas; the particles are moving closer together due to a decrease in kinetic energy.

Answer

A. Solid; the particles are freezing.

Answer

B. Liquid; the particles are condensing.

Answer

C. Gas; the particles are escaping through the balloon's skin.

Question 24

The concept of matter as "anything that has mass and takes up space" is a cornerstone of

chemistry and physics. Why is this specific definition so crucial for classifying the physical world around us?

Accepted Answer

D. It provides a fundamental framework for studying the properties and interactions of

all substances, from atoms to galaxies.

Answer

A. It is a simple definition that everyone can understand.

Answer

B. It helps us distinguish between the different states of matter.

Answer

C. It helps scientists differentiate between living and non-living things.

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