WorksheetsScience 5 - Physical and Chemical Changes
Total questions: 15
Worksheet time: 8mins
Holly has a cube of sugar. She crushes it into powder. What has changed about the sugar?
The mass
The weight
The shape
The shape and the mass
Matter is anything that
has mass and takes up space
is a solid or a liquid
has volume
has volume
Danielle pours lemon juice over a tablespoon of baking soda. At first, many bubbles form, but then they slowly stop forming. What is the BEST clue that this is a chemical change and not a physical change?
a. The bubbles stop forming
b. Bubbles form without heating the liquid
c. The lemon juice and baking soda form a mixture
d. The mixture can be separated
A clay snake is made from a ball of clay:
Physical Change
Chemical Change
A wooden log burning in a fire:
Physical Change
Chemical Change
Melting butter for popcorn:
Physical Change
Chemical Change
Creating a solution of lemon juice, sugar, and water:
Physical Change
Chemical Change
Spoiled milk:
Physical Change
Chemical Change
Identify the change described below:
John mixes 250mL of pineapple juice in a bowl of mayonnaise which caused it to spoil and produce a foul smell.
Physical Change
Chemical Change
Peter hangs his washed wet laundry on the cloth hook for drying under the heat of the sun.
Physical Change
Chemical Change
Identify the change described below:
Myrna notices the Foul smelling and spoiling food she forgot to store in her refrigerator last night.
Physical Change
Chemical Change
Identify the change described below:
Cathy loves to watch burning exploding colorful fireworks every New Year’s Eve.
Physical Change
Chemical Change
Identify the change described below:
The students observed the burning paper changes to ash as part of their experiment in Science class.
Physical Change
Chemical Change
Identify the change described below:
The science students of Mrs. Celeste observe the rusting of iron and record their observations on their notebooks.
Physical Change
Chemical Change
Identify the change described below:
The cake shop bakes the best selling dessert in the city.They use a state of the art oven machine. That can cook 3-5 Cakes in every minutes all at the same time.
Physical Change
Chemical Change
