Iowa Science

What is a PUSH or PULL of an object?

• Motion

• Force

• Friction

• Gravity

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The following features are found only in the plant cell

• Lysosome

• Cell wall

• Chloroplast

• Central vacuole

Cell organelles that are responsible for digesting food, worn out organelles and other cellular wastes are called ___________________.

• Mitochondria

• Vacuoles

• Lysosomes

• Chlororplasts

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A _________ uses force to move an object towards you. 

• Pull

• Push

• Motion

• Force

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What is speed?

• Speed is how far something travels in one hour.

• Speed is how fast it takes something to travel a set distance

• Speed is the distance something travels in a set amount of time.

• Speed is the change in velocity of something.

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An Amoeba is a unicellular, animal-like protist that lives in ponds and streams. According to cell theory, where did this cell come from?

• another pre-existing amoeba cell.

• energy from sun that allowed the protist to reproduce.

• a multicellular organism.

• the nonliving environment.

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NGSS.MS-LS1-1

Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?

• The Theory of Gravity

• The Theory of Relativity

• The Cell Theory

• The Theory of Continental Drift

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Which of the following is NOT a cell theory.

• All non-living things are made of cells

• All cells come from pre-existing cells

• Cells are the basic unit of structure and function of all living things

Tags

NGSS.MS-LS1-1

All cells are produced ____________.

• From pre-existing and deceased cells

• from other pre-existing cells

• Cells can come from anywhere, as long as there is the sun.

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work is...

• energy from the sun

• a type of machine

• a force that moves an object

• a force that pulls you toward the earh

Tags

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