Science Entrance Exam

Which defines and atom?

• Building Block of energy
• Building Block of matter
• charged particle
• smallest particle

Melting Ice 

• Chemical Change 
• Physical Change 

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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Which sub-atomic particle is responsible for reactions between most atoms?

• Proton

• Neutron

• Electron

• None of these

Evidence of a chemical change includes:

• Color changes

• Temperature changes

• Small explosions

• All of the above

It is a proposed explanation for a phenomenon based on scientific knowledge. It can be either accepted or rejected after an experiment is performed.

• Hypothesis

• Objective

• Analysis

• Conclusion

The process of evaporation occurs when a substance changes from

• Liquid to solid

• Solid to gas

• Liquid to gas

• Solid to liquid

If the mass of an object is 200g and its volume is 100mL. What is its density?

• 2 g/mL

• 0.5 mL/g

• 2 mL/g

• 0.5 g/mL

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

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NGSS.MS-LS1-6

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Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria
• the vacuoles
• the nucleus
• the cell

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NGSS.MS-LS1-1

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Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?

• to absorb light energy and manufacture food
• to remove waste materials by active transport
• to manufacture chemical energy from food
• to control the shape of the cell

Tags

NGSS.MS-LS1-6