Students investigated 4 different brands of disinfectant wipes. The students rubbed each brand of wipe on a different desk. They collected a bacteria sample from each wiped desk wth a cotton swab, then transferred the bacteria to a petri dish. The stud

A 300-mile-long mass of pumice found floating in the Pacific in 2012 was spewed up by an undersea one of these

This organ system sends signals from the brain to the muscles

What flower parts must be pollinated in order for a plant to produce seeds.

All of these are transverse waves except
radio waves, x-ray waves, ultraviolet waves or sound waves

A company makes a prototype of a new insulating material that covers electrical wires. The insulating material is designed to keep the wire cool when electricity is conducted through it. What tool should be used to test the insulating material to be sur

Named for Bob Marley, the Gnathia marleyi crusstacean lives on coral reefs in this sea

The reactants of Photosynthesis are the products of celluar respiration: Name them

The structures that contain genetic information that is passd from one generation to the next

Which process must occur to change a metamorphc rock into an igneous rock?

A tire company plans to design a tire that reduces the amount a car slides on icy roads. What step should the company perform first?

Researchers a NC State are equipping these household insect pests with mini-trasmitters for eventual use in disaster zones.

The Reactants of Cellular Respiration are the products of photosynthesis : Name them

In pea plants, tall plants (T) are dominant to short plants (t). Draw the Punnett square that accurately represents a cross between parents with genotypes TT and tt

Describe the composition of the inner core of Earth

If an engineer finds a flaw or a problem in a design, what ste should the engineer take next?

Microbes feeding on an ancient Antarctic forest may be generating billions of tons of this greenhouse gas, CH 4

Particles moving from an area of high concentration to an area of low concentration differs from Osmosis which is the movement of water based on the same principle of concentration.

You meet a person and notice that she has dimples. What can you say for sure about the pheotypes of her parents?

Describe the difference between sexual and asexual reproduction

A scientist is unable to speak or move most of the muscles in his body. This scientist uses his cheek to push buttons on a type of keyboard that translates the words into a computerized voice. Would you describe the the scientist's device as Assistive or

In 1893 internal surgery was rare most patients died of infection-but that year Dr. Daniel Hale Williams used antiseptic methods during one of the first successful open-heart surgeries suturing this sac around the heart.

The gas released by animals during respiration and used by plants for photosynthesis

An organism's expressed traits make up its

Sequence the series of steps during mitosis 1-4