WVGSA Science 4

Question 1

An atom has 6 protons, 6 neutrons, and 6 electrons. Which element is this?

Accepted Answer

Carbon

Answer

Carbon has an atomic number of 6, meaning it has 6 protons, identifying it as carbon.

Question 2

Which type of energy is stored in the bonds of food molecules and released during cellular respiration?

Accepted Answer

Chemical energy

Answer

Chemical energy stored in glucose bonds is released during cellular respiration to power cell functions.

Question 3

Which moon phase occurs when the Moon is between Earth and the Sun?

Accepted Answer

New Moon

Answer

During a new moon, the Moon is positioned between Earth and the Sun, so its illuminated side faces away from us.

Question 4

A student observes that a metal rod becomes longer after being heated. This is an example of which property of matter?

Accepted Answer

Thermal expansion

Answer

Thermal expansion occurs when particles in a material move faster with added heat, causing the material to increase in size.

Question 5

Which adaptation would most help a cactus survive in a hot, dry desert?

Accepted Answer

Thick, waxy stems to store water

Answer

Cacti have thick, fleshy stems that store water and waxy coatings that reduce water loss through evaporation.

(WVGSA) West Virginia General Summative Assessment Practice Test