Objects with a _______ shape have less drag
Streamlined
A book sitting on a table is an example of _______ force.
Normal
_____ is the process (the way) of a plant growing from a seed.
Germination
Name the four forces
Lift, drag, gravity, thrust
What is the yellow powder made from plants called?
Pollen
Which has a greater force of gravity: Earth or the Moon?
Earth
True or false: The larger the surface area of the moving object, the less air resistance there is
False
What are the two types of satellites?
Natural and Artificial
What part of a flower contains eggs?
Ovary
What is another word for air resistance?
Drag
Name 3 forces that act together when bowling
Applied force, gravity, air resistance, friction
_____ is a force that slows things down that are moving through air
Air resistance
What force attracts objects towards the Earth?
Gravity
What force helps a boat float on water?
Upthrust
Kicking a ball is an example of an _______ force
Applied
What are the 3 main parts of a flowering plant?
Roots, stem, leaves
True or false: friction speeds up objects
False - slows down
What do we use to measure sound?
Sound level meter
What do we measure sound in?
Decibels (dB)
What part of a flower makes pollen?
Anther
Which one has a higher pitch: a violin or a cello?
A violin
What are two forces that slow down a car when driving?
Air resistance/drag and friction
_____ is how loud or quiet a sound is
Volume
What is the process of moving pollen from one flower to another?
Pollination
What happens if unlike (opposite) poles are facing one another?
They are attracted to each other
The faster the object vibrates, the ______ the pitch of the sound
Higher
Name the three forces
Friction, gravity, normal force
What do we use to show direction of forces?
Arrows
What are the female parts of a flower called?
Carpel/Pistil
When talking about magnets, what do we call push and pull?
Attract and repel
A _____ is a material that has an area around it where magnetic force is active
Magnet
True or false: Forces always act in pairs and are opposite to each other
True
What are the male parts of a flower called?
Stamens
The amount of gravity between two objects depends on two things: the size of an object and _____
The distance between objects
A _____ doesn’t have an area around it where magnetic force is active.
Magnetic material
______ is a force that slows things down that are moving through water
Water resistance
What two forces are acting on a book sitting on a table?
Gravity and Normal force
True or false: hard materials are better than soft materials for muffling sound
False
_____ is how high or low a sound is
Pitch
_______ is a force that happens when two things rub against each other
Friction
Sound is caused by _______.
Vibrations
What do the N and S on a magnet stand for?
North and South poles
Which one makes seeds: flowering or non-flowering plants/
Flowering
_________ are inside of fruits and grow into new plants
Seeds
What does maglev stand for?
Magnetic levitation
Pollen and the eggs join to make seeds in a process called ______.
Fertilization
What flower is this?
Sunflower
Plants with flowers make _________.
Fruit
What kind of satellite is our moon?
Natural
Applied forces are usually a push or a _____
Pull