NEW
Font size
WorksheetsFlocabulary - PC
Total questions: 10
Worksheet time: 5mins
In physical changes, substances might change in ________ but not in ________.
appearance, composition
volume, state of matter
texture, color
weight, mass
What happens to atoms after a chemical change?
They remain in the same place
They become bigger
They link up in a different way
They dissolve to form a mixture
Which of the following properties can change during a physical change?
shape
pH level
flammability
reactivity
True or False: a physical change may produce a new substance.
True
False
Which of the following is an example of a precipitate?
liquid evaporating into gas
a solid formed in a frozen liquid
a chunky solid formed from two liquids combining
a liquid solution that contains two substances
Which of the following is an example of a physical change?
sugar and oxygen reacting to produce water and carbon dioxide
honey dissolving in tea
a raw egg being cooked
metal rusting after being left out in the rain
A physical change can sometimes result in a color change. Which of the following situations shows this?
milk turns yellow when it spoils
a red candy dissolves and becomes pink
a match turns black when it is burned
dough becomes darker when bake into a cake
Which of the following physical changes shows a change in a substance’s state of matter?
a piece of paper being torn in half
clay being molded into a bowl
an ice cube being crushed
liquid water becoming steam
A pH change (becoming more/less acidic) can be evidence that
a substance has changed physically
a substance's state of matter has changed
no change has taken place
a substance has change chemically
On a camping trip, Marta roasts a marshmallow in the campfire. The marshmallow grows, and then turns black. Marta notices that the roasted marshmallow smells and tastes differently than the uncooked marshmallows. What change has taken place, and how does Marta know?
a chemical change because the marshmallow changed in taste, color and smell
no change because the marshmallow is not a new substance
only a physical change because the marshmallow changed size
a chemical change because the marshmallow only changed in pH level
