Milestone Review 2 Question Preview (ID: 42401)

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What does a plant cell have that an animal cell does not?
a) nucleus
b) blood
c) cell wall
d) cytoplasm

The part of an atom that has no charge is the
a) proton
b) electron
c) neutron
d) nucleus

William put a sugar cube in a cup of hot water. After a period of time, what happened to the sugar cube?
a) It dissolved.
b) It stayed on the bottom of the cup.
c) It evaporated.
d) It changed color.

Which of the is the smallest part of all matter?
a) atoms
b) neutrons
c) mixtures
d) protons

David watches a burning candle to determine whether a chemical reaction is taking place. Which of these observations shows evidence of a chemical reaction?
a) The wax is melting.
b) The candle is in a glass jar.
c) The color of the candle is blue.
d) The candle gives off light and heat.

Jose set up an electrical circuit to determine whether certain items will allow electricity to flow through them to light a bulb in the electrical circuit. Which of these items will conduct electricity?
a) Metal pin
b) Plastic bag
c) Rubber ball
d) Wood block

Which of these parts of a cell are found in both a human cell and a rose cell?
a) cell wall
b) chloroplast
c) nucleus

Which part of a plant cell changes energy from sunlight into food?
a) cytoplasm
b) nucleus
c) chloroplast
d) cell membrane

Which single-celled microorganism is helpful in making foods like yogurt and pickles?
a) Bacteria
b) Fungus
c) Parasite
d) Virus

What is the substance that the organelles float around in?
a) water
b) jello
c) cytoplasm
d) nothing

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