Physics
Is friction a contact force?
YES
how fast something vibrates
frequency
force that pulls is ________.
forces that pushes is ________.
Attraction.
Repulsion.
It provides light and energy for life
The sun
Why are there often more rainstorms in spring?
warm and cold air meet, creating unstable weather
Energy that is stored and ready to be used
potential energy
amplitude
What type of force pulls objects toward Earth?
Gravity
What causes seasons on Earth?
Earths tilt and orbital pattern around the sunn
April 22nd is the date in which we celebrate which of the following holidays?
A) April Fools Day
B) Easter
C) Holi
D) Earth Day
D) Earth Day! A day to celebrate and protect our planet!
Energy of motion (energy an object has when it is moving)
kinetic energy
Vibrations that travel through matter (like air)
sound
Name one example of a force at a distance
gravity, magnetic force, electric force
What causes day and night on Earth?
Earths rotation
Why do many flowers bloom in spring?
Because of longer days and warmer temperatures
A force that slows objects down as they move through air or water
drag
What part of the ear vibrates when sound enters?
The eardrum
What type of force happens between charged objects?
electric force
How is light from stars useful to scientists?
It tells them about a star’s composition, temperature, and distance
Why do birds sing more in spring?
To find mates and mark territory
A change in shape of an object
deformation
How does sound travel?
Source creates vibrations at the source, which travel across a medium, bouncing off of particles in a medium, reaching and being interpreted by the receiver
a magnet that is made by using electricity.
An electromagnet.
Why do planets stay in orbit around the Sun?
Because of gravity pulling them toward the Sun
What do many animals do in spring after winter?
Come out of hibernation or migrate back