Science Benchmark 2024

Front

What observation indicates that a new substance has formed when iron nails are placed in water?

Back

The iron nails changed color in the water.

Tags

NGSS.MS-PS1-2

Front

What is the effect of temperature on the solubility of salt in water?

Back

Higher temperatures generally increase the solubility of salt in water.

Tags

NGSS.MS-PS1-4

Front

Which mixture can be easily separated by adding water and pouring it through a coffee filter?

Back

Salt and sand.

Front

What is the impact of increasing the number of oil platforms on the likelihood of oil spills?

Back

The likelihood of an oil spill in the area increases.

Tags

NGSS.HS-ESS3-6

Front

What are the four states of matter?

Back

Solid, liquid, gas, and plasma.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is a chemical change?

Back

A process where one or more substances are transformed into new substances with different properties.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the definition of solubility?

Back

The ability of a substance to dissolve in a solvent at a given temperature and pressure.

Front

What is the role of a coffee filter in separating mixtures?

Back

A coffee filter allows liquids to pass through while trapping solid particles.

Front

How does temperature affect the rate of a chemical reaction?

Back

Generally, increasing the temperature increases the rate of a chemical reaction.

Tags

NGSS.HS-PS1-5

Front

What is an oil spill?

Back

An oil spill is the release of liquid petroleum hydrocarbons into the environment, particularly marine areas.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4