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WorksheetsExtra Credit (Science Benchmark)
Total questions: 40
Worksheet time: 29mins
What type of galaxy is oval-shaped?
a spiral galaxy
an elliptical galaxy
an irregular galaxy
Most distances in space and to stars outside of our solar system are measured using.....
light-years
astronomical units
feet
meters
What type of galaxy has no special shape or form?
a spiral galaxy
an elliptical galaxy
an irregular galaxy
The Milky Way is a....
spiral galaxy
elliptical galaxy
irregular galaxy
star
What is the name of Earth's star?
Antares
Betelguese
Polaris
the Sun
How many stars are in the universe?
hundreds
thousands
millions
billions
How long does one rotation of the Earth take?
365 (and 1/4) days
1 day = 24 hours
How long does one revolution or orbit of the Earth take?
365 (and 1/4) days
1 day = 24 hours
What is the invisible line that Earth rotates around?
Equator
Tropic of Cancer
Axis
Tropic of Capricorn
What causes the seasons?
Earth's rotation
Earth's tilt
Our solar system is larger than the Milky Way.
True
False
The largest planets in our solar system are called gas giants.
True
False
Neptune is the farthest planet from the Sun
True
False
Which planet in our solar system is most like Earth?
Mercury
Venus
Mars
Jupiter
Mercury is the smallest inner planet.
True
False
Which object has a tail that forms when it moves closer to the Sun and begins to melt?
asteroid
meteor
black hole
comet
Which best describes an electrically charged object?
an electron without a static charge
an object that has gained or lost electrons
an object that has gained or lost neutrons
a proton without a static charge
Which is a good conductor of electricity?
glass
gold
plastic
wood
Which of the following forces can push (repel) and pull (attract)?
Magnetic Force
Gravitational Force
All Three, Magnetic, Electric and Gravitational Force.
A basketball player shoots a free-throw. The motion of the basketball is shown. Describe the motion of the basketball after it leaves the player’s hands, and explain how this is an example of acceleration.
The ball travels in a curved trajectory in two directions with decreasing speed. This is acceleration because of the change in direction.
The ball moves downwards and then upwards in an arc. This is acceleration because of the change in force pulling the ball downwards.
The ball travels in a horizontal line to the basket with increasing speed. This is acceleration because of the change in velocity.
The ball travels in curved trajectory in a single direction with decreasing speed. This is acceleration because of the change in velocity.
If the North Pole of a permanent magnet is placed next to a compass as seen in the picture, which direction will the needle move if its tip is a north pole?
Clockwise (to the right)
Counter-clockwise (to the left)
It will not move
Need more information
Gravity on moon is less than the gravity on earth because
a. moon's mass is less
b. moon's mass is more
c. moon's mass is equal to Earth
d. moon has no mass
The diagram below represents planets A and B, of equal mass, revolving around a star. Compared to planet B, planet A has a ....
weaker gravitational attraction to the star
stronger gravitational attraction to the star
Which graph best represents a graph of a car traveling forward on a freeway at a constant speed?
A
B
C
D
A 50 kg boy on a skateboard experiences a 75 N force as shown.
What is the acceleration of this boy?
1.50 m/s2
0.67 m/s2
25.00 m/s2
A car moves forward with an acceleration of 8.0 m/s/s after a force of 800 N pushes the car.
What is the mass of the car under these circumstances?
100 Kg
800 Kg
80 Kg
A F-16 fighter jet with a mass of 4000 Kg accelerates at 75 m/s/s.
What is the magnitude of force from the the jet’s engines needed to achieve this acceleration?
30,000 N
30 N
300,000 N
Two cars collide head-on. At every moment during the collision, the magnitude of the force the first car exerts on the second is exactly equal to the magnitude of the force the second car exerts on the first.
How is this collision an example of Newton’s 3rd Law of Motion?
After the collision, neither car has any velocity so no momentum is present. It would take an unbalanced force to make the cars move from the location.
We do not have enough information to determine the force of the impact as we do not know the mass or the acceleration of the cars before the collision.
Since the collision was equal and opposite, we can say that an equal force was exerted on both cars.
The magnitude of the force that a baseball bat exerts on a ball is 50 Newtons
The magnitude of the force that the ball exerts on the bat is...?
5.0 N
50 N
250 N
A man is pushing a wheelbarrow full of dirt as he works on a project in his back yard.
Compared to the magnitude of the force exerted on the wheelbarrow by the man, the magnitude of the force exerted on the man by the wheelbarrow is...?
larger
zero
the same
2. Which basketball has the most gravitational potential energy?
Basketball C has more gravitational potential energy because it has more mass.
Basketball B has the most energy because it is in the middle.
Basketball A has the most because it has the greatest height.
Basketball A has the most because it has the greatest mass.
Which 2 types of energy are being used by the bungee jumper in the image?
Thermal and chemical
Elastic and gravitational
Gravitational and chemical
Elastic and chemical
What type of energy does pizza provide for us?
Pizza is chemical potential energy that is transformed to kinetic energy later on, as we move.
Pizza is gravitational potential because our body will digest it.
Pizza is elastic potential because the cheese stretches out of its normal position.
Pizza is chemical potential energy that is later destroyed in our bodies.
