TEKS 4.7C

Which part of the diagram below causes a force to move the lower arm in the direction shown?

• A

• B

• C

• D

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When standing, your quadriceps muscle swings your lower leg forwards but not backwards. Why?

• Your lower leg can’t swing backwards.

• The quadriceps muscle can only pull in one direction.

• The quadriceps muscle can only push in one direction.

• The quadriceps muscle is too weak.

The action of muscles is controlled by:

• blood from the circulatory system.

• thoughts from the brain.

• movements of the locomotor system.

• impulses from the nervous system.

Causes of erosion include:

• ice

• gravity

• wind

• water

• rocks

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Particles of sediment that have been carried away from erosion build up over time through a process called ___

• deposition

• sedimentation

• 
• 

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NGSS.MS-ESS2-2

Label these erosional mountains:

a

b

c

butte

monadnock

mesa

dome

pinnacle

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NGSS.MS-ESS2-2

When sediment is built up on land they form ___ mountains (and other landforms).

• depositional

• erosional

• volcanic

• galactic

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​ (a)   crush the rock it passes over producing ​ (b)   –this deposit of rocks, pebbles, and finely ground dirt can form ​ (c)   (small, long hills).

• glacial till

• moraines

• volcanoes

• glaciers

• monadnocks

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NGSS.MS-ESS2-2

What is the primary function of the roots in a plant?

• To absorb water and nutrients from the soil

• To produce food through photosynthesis

• To support the plant above ground

• To release oxygen into the atmosphere

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Which of the following is a non-renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydropower