Science Concepts and Principles Assessment

Front

Which statement BEST describes a component of cell theory?

Back

All cells come from preexisting cells.

Front

Based on the density of the sample, which material is the sample MOST LIKELY made of? Options: Plywood, Aluminum, Rubber, Glass

Back

Rubber

Front

Why is baking a cake evidence of a chemical reaction?

Back

The ingredients formed a new substance after they were cooked in the oven.

Front

Which statement BEST describes the process of osmosis in cells?

Back

Osmosis is the movement of water molecules from a region of low solute concentration to a region of high solute concentration through a semi-permeable membrane.

Front

Material MOST LIKELY to conduct electricity based on its properties: Wood, Plastic, Copper, Rubber

Back

Copper

Front

Why is rusting of iron considered a chemical change?

Back

The iron forms a new substance, iron oxide, when it reacts with oxygen.