SCIENCE 7TH GRADE EXAM

Look at the picture and mark the elements are needed (3) for the photosynthesis process.

• sunlight

• glucose

• water

• carbon dioxide

Tags

NGSS.MS-LS1-6

Mark the contribution to our knowledge of plant nutrition by Van Helmont's.

• The plant get their nutrition exclusively from water.

• The plants get their nutrition only from the sun.

• The plants get their nutrition from carbon dioxide.

• None of them

Tags

NGSS.MS-LS1-6

On the following food chain diagram mark with red arrows the "Flow of the Energy"

Tags

NGSS.MS-LS2-3

Complete the explanation about how the pesticides affect the producers in the food chain.

The ecosystem would stop incorporating matter and (a)   .

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Read the definition and choose the correct type of energy.

Energy that is stored in food and fuel, among other substances.

• Thermal energy

• Radian energy

• Electric energy

• Chemical energy

Read the definition and choose the correct type of energy.

Energy contained in a body from the movement of its particles.

• Thermal energy

• Radian energy

• Electric energy

• Chemical energy

Tags

NGSS.MS-PS1-4

Look at the picture and write the form of energy the following body has.

- Electrical

-Chemical

-Heat and light

(a)  

Look at the picture and write the form of energy the following body has.

-Chemical

-Thermal

-Heat and light

(a)  

Choose the correct items that shows the type of change occurs.

-When a hair dryer is turned on...

• Chemical energy to kinetic energy

• Electrical energy to wind energy

• Wind energy to kinetic energy

• None of them

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-3

Choose the correct items that shows the type of change occurs.

When a windmill blows:

• Electrc energy to wind energy

• Chemical energy to kinetic energy

• Wind energy to kinetic energy

• None of them

Tags

NGSS.MS-PS3-5