midterm exam staar released

Front

What season occurs when the area you live in tilts away from the sun?

Back

Winter is the season that occurs when the area you live in tilts away from the sun.

Tags

NGSS.MS-ESS1-1

Front

What is an indication that a chemical reaction has occurred during an experiment?

Back

An increase in temperature, such as when the temperature of vinegar increases during a reaction, indicates a chemical reaction.

Tags

NGSS.MS-PS1-2

Front

What does the Hertzsprung-Russell diagram compare?

Back

The Hertzsprung-Russell diagram compares the brightness and temperature of stars.

Front

What is a sign of a chemical reaction when mixing two clear solutions?

Back

A solid forming when two clear solutions are mixed indicates a chemical reaction.

Tags

NGSS.MS-PS1-2

Front

What happens to the shape of vinegar when it is in a container?

Back

The vinegar takes the shape of the container, indicating it is a liquid.

Front

What does it mean if a star is hotter and brighter than another star on the Hertzsprung-Russell diagram?

Back

It means that the star has a higher temperature and emits more light compared to the other star.

Front

What is the definition of a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the role of goggles and gloves in a lab investigation?

Back

Goggles and gloves are used for safety to protect eyes and skin from harmful substances.

Front

What is an example of a physical change?

Back

Sugar crystals forming on the sides of a boiling pot of sugar water is an example of a physical change.

Front

What does it mean if steam forms above boiling water?

Back

The formation of steam indicates that the water is undergoing a physical change from liquid to gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5