Semester Review 3 Question Preview (ID: 1289)


1st Semester Review #3. TEACHERS: click here for quick copy question ID numbers.

A vulture feeds on the a deer that was killed by a lion. A vulture is called a scavenger. What breaks down the remains of the deer after the vulture has finished feeding?
a) bacteria
b) scavenger
c) herbivores
d) omnivores

A marathon runner has to wear shoes 1 size larger due to the constant running causing the feet to swell. The swelling of the feet is an example of a ....
a) physical change
b) chemical change
c)
d)

An alka seltzer was placed in a glass of water. The water began to bubble with a new gas called carbon dioxide. This is an example of a ....?
a) Physical change
b) Physical property
c) Chemical change
d) Chemical property

Where are chromosomes found?
a) Inside the nucleus
b) Inside the mitochondria
c) Inside the cell wall
d) Inside the chloroplasts

An ice cube melting then evaporating is an example of a ...........?
a) physical property
b) chemical property
c) physical change
d) chemical change

What is the difference between a food chain and a food web?
a) Food chains are overlapping patterns while food webs show a single flow of energy
b) Food chains show a single flow of energy while food webs show how many food chains are interconnected
c)
d)

Describe the living and the nonliving parts of an ecosystem
a) Every ecosystem has biotic and abiotic factors. Biotic factors are the nonliving parts and Abiotic are the living parts of a
b) Every ecosystem has biotic and abiotic factors. Biotic factors are the living parts of an ecosystem and abiotic are the nonli
c)
d)

In the winter many people build fires in their fireplaces for warmth. After awhile the logs burn down into ash.
a) A new substance formed represents a physical change has occurred
b) A new substance formed represents a chemical change has occurred
c)
d)

Which state of matter represents a solid?
a) particles vibrating in place rapidly
b) particles free flowing sliding past one another
c) particles quickly moving with a lot of space between them
d)

Which of the following is evidence a chemical change has occurred....?
a) A substance melts, evaporates or is heated up
b) Bubbles are created, heat is released, the substance melts and a new substance is formed
c) Heat is released, bubbles are created, and a new substance is formed
d)

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