Definition: Is matter of any form that cannot be broken down into separate elements by physical means but can be broken down using chemical changes.
A. Mixture
B. Matter
C. Substance
D. Volume
Correct Answer
C. Substance
Definition: Is a pure chemical substance that is made up of two or more different elements. Salts is a compound whose molecules are made up of one atom of sodium and one atom of chlorine.
A. Combustibility
B. Reactivity
C. Physical Change
D. Compound
Correct Answer
D. Compound
What is this picture depicting?
A. Chemical Reactions
B. Boiling Points
C. Mass
A. Chemical Reactions
During a camping trip, you observe marshmallows being roasted over a fire. The marshmallow turns brown and develops a crispy outer layer. What type of change is occurring?
a. Physical change only
b. Both chemical and physical changes
c. No change is occurring
d. Chemical change only
Correct Answer
B. Both chemical and physical changes
T/F
Babies have more bones than adults
True!!
Definition: Is the total amount of matter of an object. Mass is a numerical measure of the object's inertia. The mass of an object does not change regardless of where the object is located.
A. Mass
B. Volume
C. Density
D. Compound
Correct Answer:
Mass
Definition: Is the chemical property of how easily a substance will set on fire.
A. Chemical Reaction
B. Physical Change
C. Combustibility
D. Reactivity
Correct Answer
C. Combustibility
What is the scientific term that the picture is depicting?
Correct Answer:
Boiling Point
A student leaves an ice cube on the counter. After 30 minutes, the ice cube has turned into a puddle of water. This is an example of:
a. Chemical change
b. Nuclear change
c. Physical change
d. Both chemical and nuclear change
Correct Answer:
C. Physical Change
Majority of Earth's oxygen is produced where?
A. Mountains
B. Caves
C. Rivers
D. Oceans
Correct Answer
D. Oceans
Definition: Is the physical property that describes how tightly matter is put together. A pure element, such as gold, will have a characteristic density and mass.
A. Boiling Point
B. Melting Point
C. Chemical Properties
D. Density
Correct Answer
D. Density
Definition: Happens when matter has a change in its physical properties but not its chemical properties.
A. Physical Change
B. Precipitate
C. Law of Conservation of Matter
D. Chemical Change
Correct Answer
A. Physical Change
When water is change from liquid, to ice, to gas, what is this term called?
Correct Answer
Physical Change
3. Which of the following scenarios represents a chemical change?
a. Shredding paper into tiny pieces
b. Mixing salt and water
c. Rusting of an iron nail
d. Breaking a glass cup
Correct Answer
C. Rusting of an iron nail
Humans are born with 300 bones in our body and after they fuse, we are left with ____________
A. 200
B. 100
C. 206
D. 350
Correct Answer
C. 206
Definition: Is anything that has mass and occupies space. Matter can be found in several states (Solid, Liquid, Gas, Plasma)
Correct Answer
Matter
A. Law of Conservation of matter
B. Chemical Reaction
C. Precipitate
D. Combustibility
Correct Answer:
Chemical Reaction
What does this image mean in its scientific term
Correct Answer
Combustibility
In a laboratory experiment, a student observes bubbles forming, heat being released, and a color change when two solutions are mixed. These observations most likely indicate:
a. A physical change
b. A chemical change
c. No change at all
d. A reversible change
Correct Answer
B. Chemical Change
T/F
Bananas are radioactive
True.
They contain -40 Potassium, a radioactive isotope
Definition: Is made of two or more substances that are not combined chemically. Salted popcorn is an example of this term.
A. Compound
B. Mixture
C. Volume
D. States Of Matter
Correct Answer
B. Mixture
Definition: That the total amount of matter in a system cannot be created or destroyed. When a piece of paper burns, it becomes as, water vapor and carbon dioxide.
A. Law of conversation of matter
B. Chemical Reaction
C. Physical Change
D. Chemical Change
Correct Answer:
A: Law of Conversation of Matter
That the total amount of mass/energy is neither created or destroyed but transferred to another substance
Correct Answer:
Law of Conservation of matter
5. When milk becomes sour, which type of change has occurred?
a. Physical change
b. No change
c. Reversible change
d. Chemical change
Correct Answer
D. Chemical Change
Light roughly takes about how long for light from the sun to travel to earth?
A. 100 years
B. 10 Seconds
C. 8 Seconds
D. 8 Minutes and 20 seconds
Correct Answer
D. 8 Minutes and 20 seconds.