ASHLEY Science 6 force mass weight

What is a satellite?

• A. A machine that moves around the Earth on the ground
  

• B. A large planet that has its own orbit in space
  

• C. An object that orbits a bigger object in space

• D. A star that gives light to smaller planets

Why is the Moon a natural satellite rather than an artificial satellite?

• A. Because the Moon is launched by a space rocket
  

• C. Because the Moon was created in a science laboratory
  

• D. Because the Moon changes its shape during the night

• B. Because the Moon is a satellite that already exists in space

How does the Moon stay in orbit around the Earth?

• A. Because the Moon uses its own energy to move in space
  

• C. Because of the force of gravity between Earth and Moon

• D. Because the Moon and Earth spin at the same direction

• B. Because the Earth constantly pushes the Moon away

Do you think the astronaut weighs the same on the Moon as on Earth? What unit will their weight be measured in?

• A. His mass is more and his weight is more on the Moon
  

• B. His mass and weight are the same on the Moon and Earth

• C. His mass is the same but his weight is less on the Moon

• D. His mass is smaller and his weight is heavier on Earth

What does the word "mass" mean?

• A. The force that pulls objects to the Earth
  

• B. The weight of something in newtons
  

• C. The amount of matter in an object

• D. The size of an object in space

What unit do we use to measure mass?

• A. Newton (N)
  

• B. Kilogram (kg)

• C. Gram (g)
  

• D. Meter (m)

Why is it confusing to hear someone say a baby's weight is 3.6 kilograms?

• A. Because babies are normally measured using grams only
  
  

• C. Because kilograms are used to measure mass, not weight

• D. Because 3.6 kilograms is not the correct unit for weight

• B. Because 3.6 kilograms sounds too heavy for a baby

Which of the following statements is TRUE based on the text?

• A. Mass changes depending on gravity
  

• B. Weight is the same everywhere
  

• C. Mass and weight are exactly the same
  

• D. Weight depends on the force of gravity

What causes all objects to be pulled toward the center of the Earth?

• A. Magnetism
  

• B. Gravity

• C. Air pressure
  

• D. Friction

What is "weight" according to the text?

• A. The size of an object
  

• B. A measure of energy
  

• C. The force of attraction caused by gravity

• D. The distance from the center of the Earth