EOG Science

The diagrams below represent different ways heat is transferred. The arrows in the diagrams show the direction of heat transfer.

Which table shows the primary way heat is transferred in each diagram?

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Which of the following statements is true? 

• Balanced forces cause a change in motion. 

• Unbalanced forces cause a change in motion. 

• Forces do not effect the change in motion. 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass

• Friction and movement

• Mass and Movement

• Height and Friction 

Tags

NGSS.MS-PS3-2

A substance made up of two or more elements that have been chemically combined 

• mixture

• substance

• compound

• ion 

Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Is bleaching your hair a physical or chemical change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A substance with a mass of 10 g is heated to produce two new substances. The mass of the first new substance is 9.3 g and the mass of the second new substance is 0.7 g. Which of the following is best demonstrated by this example?

• heat transfer

• physical change

• law of conservation of mass

• law of conservation of energy

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Why is it harder for the boy in Image B to get down the hill?

• Motion

• Friction

• Work

• Displacement

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When alleles are different (ex: Yy)

• heterozygous

• dominant

• homozygous