Q1 Review

Match the following:

• Force that opposes the motion of an object

• Kinetic Energy

• energy of motion

• Motion

• an object's direction and speed

• Friction

Tags

5.3

5.3.a

5.3.e

5.3.b

Match the following:

• kinetic energy (arrow)

• 
• kinetic energy (ball)

• 
• potential energy (arrow)

• 
• potential energy (ball)

• 

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5.3

5.3.a

Energy exists in two states. They are -

• friction and reflection

• potential and kinetic

• solar and nuclear

Tags

5.3

5.3.a

Energy cannot be created nor destroyed. However, it can be ​ (a)   .

• transformed
• heated
• frozen
• destroyed

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5.2

5.2.c

​ (a)   energy is transformed into ​ (b)   energy when a stove is turned on.

• Electrical
• Thermal
• mechanical

Tags

5.2

5.2.c

5.2.b

________ , in a scientific sense, is defined as a force acting upon an object, causing that object to move in the direction of the force.

• Transformation

• Work

• Sound

• Electricity

Tags

5.2

5.2.a

Which observation provides the BEST evidence that sound energy can travel from place to place?

• The glowing bright red coils can be seen in a darkened room.

• The warmth from the coils can be felt when standing a safe distance away.

• The longer the water boils, the more it bubbles upwards and produces steam.

• The noise from the lid can be heard even when standing a safe distance away from the hot pot.

Tags

5.2

5.2.c

5.2.b

What form of energy does the light bulb change electrical energy into?

• light

• motion

• sound

• chemical

Tags

5.2

5.2.c

5.2.b

An electrical mixer transforms electrical energy into ____________.

• mechanical energy

• radiant energy

• potential energy

• thermal energy

Tags

5.2

5.2.c

5.2.b

​ (a)   is how much matter is in a substance.

• Mass
• Volume
• Physical State
• Density