Show:
SCIENCE
SCIENCE BONUS!
SCIENCE EXTRA!
2000

Carol and Sam took a package of yeast and poured it into some warm water. Yeast is something your mother or dad might use when baking bread. Yeast helps the bread to rise. After an hour, the students noticed that the yeast solution was bubbling. They used a dropper to make a microscope slide of some of the liquid containing the yeast. This is what they saw. Carol said that she thought yeast was a living thing. Sam thought she was wrong. What do you think? Explain.

A    The yeast is alive. It moves all over the place.

B    The yeast is not alive. It does not move.

C    The yeast is not alive. It is not a cell.

D    The yeast is alive. It has cell structure.

D    The yeast is alive. It has cell structure.

2000

This infectious viral disease has many symptoms, from chills, fever, and aching muscles to coughing and sneezing to nausea and vomiting. It is highly infectious; many people get a injection to protect them from this disease. It is transmitted through the air, from person to person, by coughing and sneezing. This infectious disease is

  • A.asthma.
  • B.the flu.
  • C.strep throat.
  • D. the common cold.

B

4000

What is the function of the organelle identified in the picture?

A    movement

B    houses the cell's DNA

C    houses the digestive enzymes

D    to move proteins through the cell

B

4000

How does reproduction help organisms maintain homeostasis?

  • A. It allows organisms to regulate their internal temperature.
  • B. It helps organisms to balance their water levels.
  • C. It enables organisms to ensure the survival of offspring.
  • D. It allows organisms to obtain energy from food.

 D

6000

Which external feature is MOST critical in classifying this tree as a white fir?

  • Ashrub or tree
  • Bberries or cones
  • Cleaves or needles
  • Dcones hanging or upright

D

6000

Which level of organization describes each of these four structures?

  • A. cell
  • B. tissue
  • C. organ
  • D. organism

C

8000

Vertebrates that are warm blooded, give live birth to live young, and nourish their young with milk would be classified as

  • Aamphibians.
  • Bbird.
  • Cmammals.
  • Dreptile.

C

8000

These groups of cells working together in the heart make up what level of organization?

  • A. cell
  • B. tissue
  • C. organ
  • D. organ system

B

10000

Felis catus
Sylvilagus audubonii
Parus inornatus
Euarctos americanus

Check out the list of scientific names. These names all represent animals. These are all animals but they cannot reproduce to produce fertile offspring with each other. What conclusion can be drawn from that last statement?

  • A.They are not in the same domain.
  • B.None of the animals are the same species.
  • C.Some are warm-blooded; some are cold-blooded.
  • D.All of the animals have different life cycles.

B

10000

According to cell theory,

  • A. all multicellular organisms are composed of prokaryotic cells.
  • B. only cells like the eukaryote can carry out the functions of life.
  • C. single celled organisms like these are only capable of asexual reproduction.
  • D. even primitive cells, like the prokaryote, can carry out the functions of life.
D