Physical or Chemical Changes
Quiz by Shanna Johnston
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- Q1
Stuart is investigating changes that happen in materials. Which of the following examples describes a material undergoing a chemical change to become a completely new material with different characteristics?
Ice cubes melt into liquid at high temperatures.
Water vapor becomes liquid at a very low temperature.
Iron turns to rust when it is exposed to oxygen.
Boiling water turns into water vapor, which is a gas.
300s - Q2
Charlie's teacher was modeling chemical and physical changes during an investigation in science class. Which of the following changes will result in a substance with new chemical characteristics?
cutting wood
shredding a newspaper
adding vinegar to baking soda
breaking a mirror
300s - Q3
Jorden started a campfire in a fire pit using logs and matches. The next morning she woke up and there were only ashes left in the fire pit. Which of the following best explains the change that occurred when the logs were burned?
Decaying caused a physical change that resulted in ash.
The heat from the fire caused a chemical change burning the logs into ash.
Decaying caused a chemical change that resulted in ash.
The heat from the fire caused a physical change burning the logs into ash.
300s - Q4
During the fall, a large pile of dry leaves had collected in the school’s yard. The following spring, the same pile of leaves became smaller, broken down, wet, and stuck together. Which change best explains what happened to the leaves?
The leaves were rusting.
The leaves were burning.
The leaves were melting.
The leaves were decaying.
300s - Q5
Dawson received a new bike made partially of iron. He mistakenly left his bike outside in the rain for several days. What change will most likely happen to his bike as a result?
The color would fade as a result of a chemical change.
Rust would form as a result of a physical change.
Rust would form as a result of a chemical change.
The color would fade as a result of a physical change.
300s - Q6
Alex is learning about physical and chemical changes. Which statement below best describes a chemical change?
Water evaporates from a pot of water.
Making pancakes on the stove.
Slicing a loaf of bread.
Drinking a glass of water.
300s - Q7
Nicholas is watching science videos on chemical changes. Which of the following examples does NOT result in a chemical change?
baking cupcakes
burning wood
iron rusting
water freezing
300s - Q8
Ryan's teacher performed different investigations involving burning, freezing, melting, and mixing materials. One of the investigations created a new material with different characteristics that could not be changed back to its original form. Which investigation caused a change that could NOT be undone?
melting ice cream
freezing water
burning paper
mixing colored marbles
300s - Q9
The matter around us is always changing in different ways. Which situation describes a change that will result in a new kind of matter with different characteristics?
a banana on a plate turns brown
a student molds clay into different shapes
a puddle on a sidewalk freezes into ice
a cook chops up vegetables into tiny pieces
300s - Q10
Arianna and her family went camping. Arianna's father set fire to the wood so they could roast marshmallows. Which of the following best explains the change that occurred when the wood was burned?
a physical change with new materials formed
a physical change with no new materials formed
a chemical change with new materials formed
a chemical change with no new material formed
300s