What is the difference between mass and weight?
Mass is the amount of matter in an object while weight is how much pull gravity has on an object.
What did Isaac Newton do?
Laws of motion
How many planets are there in our solar system? Name them in order.
Eight
What are comets made of?
Comets are made of dust and ice
What does the term "heliocentric" model mean?
Heliocentric Universe is used to describe a universe where the sun is at the center and all other bodies revolve around it.
Order the objects from the Least amount of Inertia to The Most amount of Inertia. Bowling Ball(40kg), Baseball(7kg), Football(12kg), Tennis Ball(1kg).
Tennis Ball, Baseball, Football, Bowling Ball
Who came up with the heliocentric model?
Aristarchus & Copernicus
What is the closest planet to Earth?
Venus
When do comets create a trail of light?
When they come closer to the sun in their elliptical orbit
Which moon phase comes right after this phase?
Waxing crescent
What is the measuring unit of Weight?
Newtons
How did Galileo support the heliocentric model?
1. He discovered moons orbiting jupiter
2. He discovered venus had phases like the moon
What is the largest planet in the solar system?
Where is the asteroid belt located?
Jupiter
Between Mars and Jupiter
Which Car has the Most Inertia?
CAR A:677kg CAR B:793kg CAR C: 499kg CAR D:567kg
Car B
How long is a lunar cycle? How long is one full revolution of Earth? How long is one full rotation of Earth around its axis?
28 days
365 days
24 hours
Calculate the weight of an object, if its mass is 70 kg.
(on Earth)
700 Newtons
Who discovered the orbital period of Halley's Comet?
How long is the orbital period of Halley's Comet?
Edmund Halley
75 years
Name the 4 inner planets
What is the difference between inner and outer planets? (2 differences)
Mercury, Venus, Earth, Mars
1. inner planets are made of rocks while outer planets are made of gases.
2. inner planets are closer to the sun than outer planets.
What is the difference between solar and lunar eclipses?
Solar eclipse: Moon is between Earth and sun
Lunar eclipse: Earth is between moon and sun
John is trying to change the position of the bed in his room. He tried to push the bed, but he couldn't. He thinks it's hard to push the bed because it is big. Why do you think it's hard for him to push it?
(Your answer should have the words: Ine... and Ma... in it)
It is hard for john to push the bed because the bed has high inertia because of its high mass.
On which planet will we have the highest weight? Why?
Jupiter, Because it has the highest gravity
What ancient astronomer thought the universe is geocentric ( Earth is in the middle with all other bodies revolving around it)
Aristotle
Which planet has the most visible rings?
What are they made of?
Saturn
Dust, rocks and ice
From Earth, which moon phase will people see?
Full Moon
If you apply the same amount of force to a marble?Where will the marble move for a longer distance?On a smooth surface or a rough surface? Why?
The marble will move for a longer distance on the smooth surface because it has less friction.