Energies & Force STAAR Review Quiz Week 2

"M.E.L.T.S." helps us to remember the energies in the following order....

• Sound energy, Mechanical energy, Thermal energy, Light energy and Electric energy

• Motion, Sound energy, Thermal energy, Light energy and Electric energy

• Mechanical energy, Electric energy, Light energy, Thermal energy and Sound energy

• Heat energy, vibrations, motion, light energy and electricity

What is a force that works AGAINST MOTION?

• Force
• Motion
• Gravity
• Friction

If you pull the cord, what direction will the box move?

• Up
• Down
• Left
• Right

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What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

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Students drop 4 different sized blocks into sand from different heights to see which height makes a larger dent in the sand. How can they improve this experiment?

• Use more blocks

• Use the same sized blocks

• Use sugar instead of sand

• Use different colored blocks to see better

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What is force?

• A push or a pull upon an object resulting from the object's interaction with another object, along with a change in motion or position.

• The rate at which an object changes its velocity.

• It is the amount of space between two points.

• It is Superman's power

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Which force is so low that it causes the man to slip and fall?

• Gravity
• Friction
• Air Resistance
• Motion

Why does a rolling ball stop?

• Gravity

• Friction

• Sand

• Both Gravity & Friction

A student placed a pencil in a cup of water. The pencil appears broken because light...

• always travels in a straight line.

• changes speed when entering a different medium or substance.

• makes the water in the glass evaporate.

• reflects the pencil on the water's surface.

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A family was vacationing in the mountains in a cabin that had no electrical power. They need boiling water in order to prepare canned soup.

With no electrical energy available, which method would most likely provide enough thermal energy to quickly heat the water to boiling?

• Using a microwave oven to heat soup in a glass jar for 3 minutes.

• Shaking the soup in a closed, insulated plastic bottle for 3 minutes

• Shining a battery powered flashlight on a metal container of soup for 10 minutes

• Placing a metal pot of soup over glowing charcoal in an outdoor grill for 10 minutes

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