Unit 1

Convection

• Energy/heat transfer by cycling currents in liquids and gases

• Energy/heat transfer by touch

• Energy/heat transfer by rays or waves

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NGSS.MS-ESS2-6

NGSS.MS-PS1-4

Students conducted an investigation using the equipment shown in the picture above.

Materials used: Safety pin, Marble, Eraser, Paper clip, and a Crayon.

The student in the investigation were most likely testing -

• Conduction of thermal energy

• Conduction of electric energy

• Insulation of thermal energy

• Insulation of electrical energy

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following are attracted to magnets?

• Gold

• Tissue paper

• Iron

• Copper

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NGSS.MS-PS2-3

Rocks sink because they are

• The same density as water

• More dense than water

• Less dense than water

• Because they're round

Select the subatomic particle that has a mass of 1 AMU.

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

If you add sand to a liquid that is an example of?

• Mixture

• Solution

• Hypothesis

• Reflection

What is the process by which plants make their own food using sunlight?

• Photosynthesis

• Respiration

• Transpiration

• Fermentation

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NGSS.MS-LS1-6

Which of the following is a chemical change?

• Melting ice

• Burning wood

• Dissolving sugar in water

• Breaking glass

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the primary gas found in the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Ribosome

• Mitochondria

• Chloroplast

Tags

NGSS.MS-LS1-2