A Window Into History

What is the primary function of a microscope in scientific research?

• To magnify small objects for detailed observation

• To measure the weight of objects

• To calculate the speed of moving objects

• To analyze chemical compositions

Which of the following is a method used to determine the age of fossils?

• Carbon dating

• Microscopy

• Spectroscopy

• Chromatography

What is the significance of the discovery of DNA's double helix structure?

• It explained the process of photosynthesis

• It provided insight into genetic inheritance

• It led to the discovery of gravity

• It explained the chemical composition of water

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which scientific instrument is used to observe distant stars and galaxies?

• Telescope

• Microscope

• Barometer

• Thermometer

What is the role of a control group in a scientific experiment?

• To provide a standard for comparison

• To increase the sample size

• To introduce new variables

• To ensure the experiment is biased

Which of the following elements is essential for the process of photosynthesis?

• Carbon

• Oxygen

• Nitrogen

• Hydrogen

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the primary purpose of the scientific method?

• To systematically investigate phenomena

• To prove hypotheses correct

• To create new scientific laws

• To disprove existing theories

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NGSS.MS-PS1-2

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

• Solar energy

• Coal

• Natural gas

• Nuclear energy

What is the main component of the Earth's atmosphere?

• Nitrogen

• Oxygen

• Carbon dioxide

• Hydrogen

Which process is responsible for the formation of sedimentary rocks?

• Erosion and deposition

• Volcanic activity

• Metamorphism

• Melting and solidification

Tags

NGSS.MS-ESS2-2