STAAR Science 8th Grade Review

Front

What happens to the carrying capacity of an animal if the amount of food or resources available increases?

Back

The carrying capacity increases.

Front

On the H-R diagram, what type of star is the Sun classified as?

Back

Main Sequence star.

Front

What type of energy conversion occurs in a glow stick when it produces light?

Back

Chemical energy is converted to light energy.

Front

Which liquid is the least dense: Oil, Water, Syrup, or Plastic bottle?

Back

Oil is the least dense.

Front

In a food web, what classification does an Ant fall under?

Back

Omnivore.

Front

What is the definition of carrying capacity in an ecosystem?

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

What is the main sequence in the context of stars?

Back

A continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What is the difference between a herbivore and a carnivore?

Back

Herbivores eat plants, while carnivores eat other animals.

Front

What is an example of a chemical reaction that produces light?

Back

The reaction in glow sticks is an example of a chemical reaction that produces light.

Front

What is density?

Back

Density is the mass of an object divided by its volume.