Mass is measured in ___ while weight is measured in ___.

Kilograms; newtons

True or False: An object's weight remains the same regardless of its location in the universe.

False. Weight changes depending on the gravitational pull of the location.

I am the amount of matter in an object, constant wherever I go. What am I?

Mass

Fill in the blank: Mass is measured in ___ and ___ using a measuring scale.

Grams and kilograms

True or False: Weight is measured in grams and kilograms using a forcemeter.

False. Weight is measured in Newtons using a forcemeter.

What health challenges do astronauts face due to prolonged weightlessness in space?

Astronauts face a loss of calcium from their bones primarily due to ___ during extended periods in space.

Microgravity

True or False: Astronauts do not need to exercise while in space because their bodies are in a state of weightlessness.

False. They require two hours of exercise each day to combat muscle weakness.

During rehabilitation after returning to Earth, astronauts must retrain their bodies to adapt to ___ and regain their physical fitness.

Gravity

What are the two forces acting on an object when it is placed in water?

When an object is submerged in water, it displaces a volume of water equal to its ___ volume.

Submerged

True or False: The concept of displacement was discovered by Archimedes, who shouted 'Eureka!' upon noticing the water level rise in his bath.

True

An object floats when its upthrust is ___ to its weight.

Equal or greater

True or False: A container ship can sink because its mass is greater than the water it displaces.

False. A container ship floats because it displaces a greater mass of water than its own weight.

What is the purpose of using conventional symbols in circuit diagrams?

Fill in the blank: A series circuit has ___ path(s) for electric current to follow.

One

What is the primary characteristic of a parallel circuit compared to a series circuit?

Fill in the blank: The invention of the first practical battery, known as the voltaic pile, was created by ____, using stacked copper and zinc discs.

Alessandro Volta

What are the primary advantages of Nickel Metal Hydride (NiMH) batteries compared to earlier battery types?

Fill in the blank: Alkaline batteries are commonly used in devices like ___ and ___, but they are not rechargeable.

Torches and toys