STAAR Category 4

What is the primary function of the chloroplasts in plant cells?

• To break down sugar molecules to release energy

• To store water and nutrients

• To capture light energy and convert it into chemical energy

• To control the entry and exit of substances in and out of the cell

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

How many predators in this food web are omnivores?

• 1

• 2

• 3

• 4

Both primary and secondary succession begin with pioneer species that -

• change the area and make it safer from predatory organisms

• invade the area so that new organisms cannot be established

• modify the area and allow larger and more complex organisms to appear

• use up all the existing resources and prevent establishment of non-native organisms

Tags

NGSS.MS-LS2-3

What is the role of mitochondria in animal cells?

• To produce proteins

• To generate ATP through cellular respiration

• To store genetic information

• To synthesize lipids

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

Which of the following best describes the process of photosynthesis?

• Conversion of chemical energy into light energy

• Conversion of light energy into chemical energy

• Conversion of thermal energy into mechanical energy

• Conversion of mechanical energy into thermal energy

Tags

NGSS.MS-LS1-6

In an experiment, a student measures the temperature of a solution every minute for 10 minutes. What type of data is the student collecting?

• Qualitative data

• Quantitative data

• Descriptive data

• Theoretical data

Which of the following is a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the primary function of the roots in plants?

• To perform photosynthesis

• To absorb water and nutrients

• To produce flowers

• To store food

Tags

NGSS.MS-LS2-1

Which of the following is an example of a renewable energy source?

• Coal

• Natural gas

• Solar energy

• Nuclear energy

What is the main purpose of the scientific method?

• To prove a hypothesis

• To systematically investigate phenomena

• To create new scientific laws

• To disprove existing theories

Tags

NGSS.MS-PS1-2