Forces
Eclipse
Sound
Solar system
Electricity
100
As a sky diver falls toward the Earth she experiences a downward force and an upwards force acting on her.
What is the cause of each of these forces?
Gravity and Air drag
100
Noah, Scarlett, and Aiden are discussing a phenomenon they observed. They think it was a solar eclipse. Which of these would describe a solar eclipse?
a)A solar eclipse is when the Earth comes between the sun and the moon, casting a shadow on the moon.
b)A solar eclipse is when the moon blocks the sun's light from reaching the Earth.
c)A solar eclipse is when the sun blocks the moon's light from reaching the Earth.
d)A solar eclipse is when the Earth blocks the sun's light from reaching the moon.
B
100
High amplitude
100
Saturn
100
an ammeter
200
The two forces shown in the diagram are acting on the boat. Look at the force arrows and determine which direction (Left or right) the boat will move.
Right
200
What causes a lunar eclipse?
Earth passing between the Sun and the Moon
200
High Frequency Wavelength
200
Whats the fourth closest planet to the sun?
Mars
200
The best insulators are
Plastic, rubber, wood, glass
300
What are the three things you can identify when a force acts?
Changes in speed, direction, or shape
300
Which type of eclispe is modeled here?
Lunar
300
Gas
300
The planets are all equally distanced from each other.
False
300
Switch
400
Magnetic force is a ....
contact or non contact
Non - contact force
400
a solar eclipse
400
Diagram shows 3 types of sound waves generated from speaker. Which of the following statements is true?
R has the highest pitch
400
Crust
400
Wires
500
What units are used to measure forces?
Newtons
500
During a lunar eclipse, what gives the Moon a reddish color?
Earth's atmosphere
500
A teacher tries to work out the speed of sound. She bangs two bits of wood together. She hears an echo from a wall. The wall is 25m away. How far has the sound travelled?
50m
500
Satellite
500
Which circuit diagram matches this picture of a circuit?
B