An atom contains 12 neutrons and has an atomic mass of 23. What element is this?

Edmund found an irregular shaped rock and wanted to find the density of the rock. He measured the mass to be 80 g. When he placed the rock in a graduated cylinder filled to the 50mL mark, the water level rose to 80.2 mL. Which mineral in this chart has the closest density to Edmund's rock?

An instrument that is used to measure the magnitude of an earthquake is called a what?

Which ecoregion of Texas listed below receives the most amount of annual rainfall?

The chart shows the speed of sound through different mediums; however, there is a mistake. What is the mistake? (cannot be true)

The prefix "dendr" helps one to discover that dendropobia means fear of what?

During Josie’s science project, she kept a journal and recorded observations of the plants she was growing. She wrote down information on the leaves, the color of the leaves, any specific smells emitted, direction of growth, and more. She also measured the height of the plant every day. Which of the following is example of a qualitative observation that Josie made?

In the microbiology lab, the researcher was starting an experiment that involved growing a

particular strain of bacteria. She didn’t want to contaminate the materials with any unwanted bacteria, so

she made sure to use what tool to sterilize her lab instruments before starting the experiment?

When exploring the deep sea, a scientist team found an unusual object. When making initial

observations of the object, they noticed that it was made of cells. What does this tell them about the

object?

When a structure of a living thing is buried in sediment and then dissolved by underground water with

only the shape and surface markings appearing, what type of fossil is created?

A shark has a cartilaginous skeleton. Cartilage is flexible and durable. What part of a human is made of

cartilage?

A measure of 2 mechanical horsepower would equal how many watts?

Weather on Earth takes place in what layer of the atmosphere?

Solar winds from the sun including solar flares can cause disturbances in which of the following?

Words that start with the prefix “pulmo” implies relations to which organ?

On a rare occasion, you might see a type of arcus cloud that is associated with thunderstorms and is

found low to the horizon. It looks sort of like a long tube and is caused by cooler air lifting warm

moist air. It is not attached to the base cloud. What is this type of cloud called?

Cane toads were brought to Australia from South America to eat beetles that were destroying the

sugarcane fields. The cane toads did very well and had very few predators. Their populations

skyrocketed in Northern Australia. The Cane toad in Australia would now be best known as an

example of what?

The Earth is tilted on its axis how many degrees?

In biology, DNA is an extremely important molecule. What does DNA stand for?

Gluten is a term that you hear in the news recently. What is gluten?

What part of an atom is electrically positive?

When the moon is between the Earth and the sun, which of these is possible on Earth?

Cells come in all sizes and shapes. What is the longest cell in the human body?

When Mendeleev first developed his periodic table, he left many places blank or put a dash

in the spot because he realized that there were what?

Which of these has the most effect on the climate of a country?

Unbalanced forces causes what?

The word “rhinitis” starts with the prefix “rhin”. This happens when there is an irritation or

inflammation of what part of the body?

A scientist that focuses on separating materials into their parts or elements is called what?

What is missing in this Punnett Square?

Who was the first woman to receive the Nobel Prize (1903)?

Leo was using an instrument to measure relative humidity. As part of the procedure, he would swirl

the instrument around in a circle above his head. What instrument was he using?

What structure on the underside of leaf allows for the exchange of gases?

What element makes up about 21% of the Earth’s atmosphere?

Destiny’s class was learning about Newton’s Laws of Motion. They were launching rockets that they

built in class. Destiny learned exhaust flow pushes in one direction and then the engine pushes in the

opposite direction. Which law of motion does this represent?

Earthquakes are natural occurrences that can cause what feels like violent shaking of the Earth’s

crust. Which of the following statements about Earthquakes is considered true?

Which two animals are examples of neoteny?

Which statement about calcium is not true?

The NOAA organization is important in keeping people informed about hurricane dangers. What

does NOAA stand for?

A polysaccharide is a carbohydrate with a molecule made up of several sugar molecules bonded

together. What does the prefix “poly” mean?

For the last 5 days, the weather in St. Louis has been overcast with continuous rain. What type of

front is most likely in St. Louis?

Looking at a cell under a microscope you see the chromosomes lined up along the equator of the cell.

What phase of mitosis are you viewing?

On the pH scale, a solution with the measure of 2 is how many times more acidic than one

with a pH of 6?

The moon rotates as it revolves around the Earth just enough to do what?

Which of the following is not considered a simple machine, but is a compound machine?

The prefix “osteo” means what as in the word osteoporosis?

Which of the following would be a reasonable density for the Earth’s core?