Science Review Test

Which scientific attitude involves thinking beyond the obvious and finding the innovative solutions to problems?

• creativity

• curiosity

• open- mindedness

• persistence

What are chemical properties?

• the way materials look and feel

• the weight and size of materials

• the shape and color of the materials

• characteristics that describe how materials react with other substance

Who created the first telephone used for long distance communication?

• Albert Einstein

• Alexander Graham Bell

• Benjamin Franklin

• Thomas Edison

Which of the following examples best describes the changes in chemical properties of a material when exposed to different temperatures?

• The ice melts and turns into water.

• The paper becomes smaller after folding.

• The water evaporates when heated.

• The wood turns into ash after burning.

Why is it important to be careful when handling reactive materials?

• to make them react faster

• to increase their combustibility

• to make them biodegradable

• to prevent accidents and harm

Which of the following is an example of chemical property?

• the color of a substance

• the weight of a substance

• the texture of a substance

• the reaction of a substance with other substances

Which is the correct statement about the illustration?

• As the shell cracks, a new type of matter forms.

• As the egg cooks, a new type of matter forms.

• The total weight of the eggshell changes as it cracks into pieces.

• The size of the egg changes as the egg is poured from the shell.

Why is it important to treat waste properly in a community?

• to encourage littering

• to make a community colorful

• to create more waste

• to ensure cleanliness, safety and well- being

What is the greatest contribution of Dr. Fe Del Mundo in the field of science?

• artificial coral reef

• bamboo incubator

• biodiesel

• videophone

Professor Daniel, a botanist, has been researching a particular plant species for a long time. A new member joins his team and suggests a different approach to studying the plant’s growth patterns. Professor Daniel welcomes the fresh perspective and agrees to try the new method. What scientific attitude does Professor Daniel show?

• creativity

• critical thinking

• open- mindedness

• persistence