Year-End Review

Beef Stew is an example of a heterogenous mixture

• True

• False

Hydraulics uses the compressibility of gases in order to work

• True

• False

Weight is measured in kg

• True

• False

Answer explanation

Kg is used for mass

Weight is equal to mass x acceleration of gravity (9.81m/s)

Therefore weight is measured in Newtons

If my microscope has an ocular lens (10x) and an objective lens (40x), the total magnification is equal to 400x.

• True

• False

The nucleus of a cell contains chromosomes - important information that guide the cell's growth and development

• True

• False

What are the 2 parts of a plant cell that are NOT part of an animal cell. Check all that apply.

• Nucleus

• Chloroplasts

• Cell wall

• cell membrane

Xylem tissue is the tissue that transports sugars and amino acids that are produced in the leaves during photosynthesis

• True

• False

Answer explanation

Phloem is the correct answer. Xylem transports water and minerals up from the roots to the rest of the plant.

The different levels of organization in an organism are: cells - tissue - organs - organ systems - organism

• True

• False

Answer explanation

Cells make tissues

Tissues make organs

Organs make organ systems

Organ systems make the organism

The distance from crest to crest is called a wavelength

• True

• Falses

Radio waves are short, so they travel the longest distance.

• True

• False

Answer explanation

Long waves travel much further than short waves, that is why radio waves are the longest on the Electromagnetic Spectrum.