Chemical change. Once heated, you cannot return the egg to it's original liquid form.
Oops!
Check
Okay!
Check
eraser
Reset score!
Oops!
gift
Win 20 points!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
15
Salad. Physical or chemical change?
Physical change. You can return the lettuce, carrots, nuts, and other vegetables back to their original components.
Oops!
Check
Okay!
Check
trap
No points!
Oops!
star
Double points!
Okay!
gift
Win 25 points!
Okay!
thief
Give points!
5
10
15
20
25
15
Ice. Physical or Chemical change?
Ice is an example of a physical change. Although heat melts ice, you CAN return it to a frozen and liquid form.
Oops!
Check
Okay!
Check
15
What is a usually irreversible change in chemical properties or composition, resulting in a new substance?
Chemical change
Oops!
Check
Okay!
Check
15
Fruit Salad is an example of a physical or chemical change?
Physical. The ingredients of a fruit salad can be separated into their original components.
Oops!
Check
Okay!
Check
15
Cooked bacon is an example of a physical or chemical change?
Chemical change. Cooking bacon uses heat and cannot be undone (you can't return bacon to it's uncooked form once it has been heated up)
Oops!
Check
Okay!
Check
15
Pancakes. Chemical or physical change?
Chemical change. You can't return flour, eggs, milk, and sugar to their original form
Oops!
Check
Okay!
Check
15
What is a substance made by combining two or more different materials so that no chemical change occurs and materials can be separated?
Mixture
Oops!
Check
Okay!
Check
15
What is a usually reversible change in the physical properties of a substance, such as size or shape?
Physical change
Oops!
Check
Okay!
Check
15
What is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances other substances interact with energy?
Chemistry
Oops!
Check
Okay!
Check
15
Melted butter. Physical or chemical change?
Physical change. Even though it takes heat to melt butter, you can cool butter to it's original form and it's still butter.
Oops!
Check
Okay!
Check
banana
Go to last place!
Oops!
fairy
Take points!
5
10
15
20
25
shark
Other team loses 25 points!
Okay!
baam
Lose 10 points!
Oops!
15
Slicing bread for a sandwich. Physical or chemical?
Physical. Bread is still bread if you cut it into slices.
Oops!
Check
Okay!
Check
15
Boiling water. Physical or chemical change?
Physical change. Even though it uses heat, water is still water when it cools down. The process is reversible.