STAAR Test Science

A group of students is performing an investigation to measure how much liquid water is produced from a 10 L sample of snow. What must occur in order for the students to perform this investigation?

• The sample must be kept in a freezer.

• The temperature of the sample must change.

• The investigation must be performed outside.

• The physical state of the sample must remain the same.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

One type of fuel was used for thousands of years before other fuels were commonly used. Which fuel is an alternative resource that was most likely the first fuel used by humans?

• Coal

• Natural gas

• Petroleum

• Wood

This valley was most likely formed by —

• A a rapid series of earthquakes

• B volcanic activity

• C a flood with rapidly moving water

• D the movement of a glacier

Tags

NGSS.MS-ESS2-2

Which organisms have a life cycle that is most like that of abalones?

• F Humans

• G Frogs

• H Birds

• J Snakes

Tags

NGSS.MS-LS4-2

• 
• 
• 
• 

Tags

NGSS.MS-PS1-2

• F The pan-like shape of the giant water lily leaves helps them catch rainwater. The slim shape of the mesquite leaves helps them avoid sunlight.

• G The broad shape of the giant water lily leaves helps them stay on the water surface.The slim shape of the mesquite leaves helps them prevent water loss.

• H The pan-like shape of the giant water lily leaves helps them attract small fish. The slim shape of the mesquite leaves helps them avoid herbivores.

• J The broad shape of the giant water lily leaves helps them attract aquatic birds. The slim shape of the mesquite leaves helps them attract pollinators.

Tags

NGSS.MS-LS4-2

• A Student 1 only

• B Students 2 and 4 only

• C Student 2 only

• D Students 1 and 3 only

Tags

NGSS.MS-ESS1-1

A family takes a group picture in a park where bluebonnets are blooming. The family notices that some of the blooms are white and others are blue.

The color of the blooms is most likely determined by —

• F air temperature

• G the age of the plant

• H the types of consumers that eat the plant

• J inheritance from parent plants

Tags

NGSS.3-LS3-1

A beaker with 115 mL of solution has a temperature of 21°C. The solution contains 5 g of salt and 115 mL of water. Students added two ice cubes to the solution and stirred the solution with a stirring rod.

Which properties of the solution changed as the ice cubes melted?

• A The color and physical state of the solution

• B The temperature, mass, and volume of the solution

• C The volume, temperature, and mass of the salt in the solution

• D The physical state and temperature of the solution

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A science class has an aquarium in which fish and aquatic plants are growing. How is carbon dioxide directly involved in the survival of organisms in the aquarium?

• The fish must absorb carbon dioxide through their gills for energy.

• Both the plants and the fish need carbon dioxide to make their own nutrients.

• The plants need carbon dioxide to make sugar.

• The plants release carbon dioxide into the water to control the water temperature.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3