SCIENCE FORM 1 CHAPTER 5 WITH CIKGU REENA

Multiple Choice

Which of the following best describes why understanding the different states of matter (solid, liquid, and gas) is important in everyday life?

• It helps us cook food better and understand weather changes.

• It allows us to memorize scientific terms.

• It is only useful for scientists in laboratories.

• It helps us avoid using water and air.

Multiple Choice

Which of the following statements best describes matter?

• A substance that has mass and occupies space

• A substance that can only be seen with a microscope

• A substance that is always a living thing

• A substance that cannot be touched

Multiple Select

Which of the following are examples of matter?

• A tree

• A bicycle

• Sunlight

• A flower

Fill in the Blank

A solid has mass and occupies ___.

Multiple Choice

Why is the handle of a pan usually made of a heat insulator like plastic?

• To prevent heat from reaching your hand

• To make the pan heavier

• To make the pan look attractive

• To help the pan conduct heat better

Multiple Choice

What is the melting point of ice?

• The temperature at which ice changes into liquid

• The temperature at which water boils

• The temperature at which water freezes

• The temperature at which steam forms

Multiple Choice

Which of the following is an example of a physical property of matter?

• Rusting of iron

• Burning of wood

• Dissolving sugar in coffee

• Cooking an egg

Multiple Select

Which of the following are ways to classify materials by their characteristics?

• Density

• Solubility

• Color

• Melting and boiling point

Fill in the Blank

The property that determines whether an object will float or sink in water is called ___.

Multiple Choice

At what temperature does water boil?

• 0°C

• 100°C

• 1536°C

• 50°C

Fill in the Blank

Matter is made up of ___ particles which are discrete and always moving around.

Fill in the Blank

What is the substance that exists in all three states naturally?

Multiple Select

Which of the following are states of matter?

• Solid

• Liquid

• Gas

• Plasma

Multiple Choice

Which of the following substances exists in all three states of matter naturally?

• Water

• Sun

• Iron

• Oxygen

Match

Match the following examples to their correct state of matter: (a) Clock (b) Milk (c) Clouds

solid

liquid

solid

gas

gas

• solid

• liquid

• solid

• gas

• gas

Multiple Select

Which of the following are characteristics of gases according to the comparison table?

• Move randomly and fast

• Take the shape and follow the volume of the container

• Fixed mass

• Compressible

Multiple Choice

Which of the following keywords best describes the process where a solid changes directly into a gas without becoming a liquid first?

• Sublimation

• Condensation

• Boiling

• Extraction