What are forces?
A push or a pull that acts on an object is called?
a. friction
b. force
c. inertia
b. force
Shade cast by an object in the path of light is called?
a. gravity
b. shadow
c. constellation
b. shadow
An imaginary line around which a planet spins is called?
a. tilt
b. south pole
c. axis
c. axis
Dark spots that move from the face of the sun
a. sunspots
b. shadow
c. constellation
a. sunspots
The force of attraction between any two objects is called?
a. gravity
b. force
c. motion
a. gravity
What affects the size and shape of an object's shadow?
A. shade
B. changes in the position of an object relative to a light source
C. the energy of an object
B. changes in the position of an object relative to a light source
What kind of movement does this diagram show?
(Earth titled with an arrow)
a. Earth's tilt
b. Earth's rotation
c. Earth's revolution
b. Earth's rotation
A group of stars that form a pattern is called?
a. sunspot
b. axis
c. constellation
c. constellation
The force that results when two materials rub against each other is called?
a. force
b. gravity
c. friction
c. friction
What is a revolution?
B. One complete spin of an object around an axis
C. One complete orbit of an object around another object
D One complete 24-hour period
C. One complete orbit of an object around another object
10. What is the average temperature in the sun's core?
A. 500 °C
B. 500,000,000 °C
C. 15 million °C
C. 15 million °C
When you ride a roller coaster, what makes your body rise out of its seat at the top of a hill?
A. inertia
B. gravity
C. electricity
A. inertia
Which choice below gives the correct order of planets from the sun?
A. Mercury, Venus, Earth, Mars
B. Earth, Mars, Venus, Jupiter
C. Mars, Venus, Earth, Saturn
A. Mercury, Venus, Earth, Mars
Maude kicks a soccer ball across a grassy field. What force causes the ball to eventually roll to a stop?
A. Friction
B. Inertia
C. Air resistance
A. Friction
You are building a wooden car to enter in a downhill race. What can you do to make the car go as fast as possible?
-Making the car heavier will help it move faster downhill
-giving it a smooth, compact shape will reduce air resistance.
How can explorers use Polaris to help navigate the seas?
The Polaris is directly above the North Pole so if you see it you could determine which direction to go.