1st Semester Science Review

Light
and
Sound

By Jenan Berrios

Multiple Choice

Study the image. What do you notice about the light coming from the window?

• It is reflecting off mirrors and going right back out the window.

• It is reflecting off one mirror, bouncing off at an angle, and going to another mirror.

• The light is refracting.

Multiple Choice

Study the image. If you want the light to NOT bounce straight back out the window you will need to __________.

• Wave your magic wand and say, "Light bounce aroundicus."

• Place the mirrors right in front of the light.

• Place the mirrors at an angle to the light.

Multiple Choice

We see the apple as red because _______________________.

• Light bounces out of our eyes and makes the apple red.

• All the colors of white light are absorbed by the apple, but it REFLECTS red light to our eyes.

• All the colors of white light are absorbed by the apple, but it REFRACTS red light to our eyes.

Multiple Choice

Marvin wants the sprinkles to bounce really high on this rubber membrane. What should he do?

• Make big vibrations of sound by turning up the volume.

• Make smaller vibrations of sound by turning down the volume.

• Make big vibrations of sound by thinking really hard about vibrations.

Multiple Choice

Study this guitar. Which string would have the highest pitch based on its WIDTH?

• String 6

• String 4

• String 2

• String 1

Multiple Choice

What can this diagram remind us about pitch?

• Highest pitches are made with : longer strings, tighter tension, and wider strings.

• Highest pitches are made with: shorter strings, tighter tension, and thinner strings.

• Highest pitches are made with: shorter strings, tighter tension, and wider strings.

Multiple Choice

We see a rainbow because of __________________.

• reflection

• refraction

• luminescence

• echoes

Multiple Choice

When light strikes an opaque surface it will either _________ or ____________.

• be absorbed or reflected

• be absorbed or refracted

• be refracted or reflected

Multiple Choice

Which types of surfaces can refract light?

• transparent and opaque

• translucent and opaque

• mirrors and translucent

• translucent and transparent

Multiple Choice

In this image, the colors in the diamond show that it is _____________ light like a prism.

• refracting

• reflecting

• absorbing

• transmitting

Multiple Choice

Which are examples of opaque objects?

• thin wood, a window, wax paper

• wax paper, tissue paper, a window

• thin wood, book, aluminum can

Multiple Choice

Which of the following is luminous?

• Moon

• Mars

• Jupiter

• Sun

Multiple Choice

Which tool could you use to prove that white light is made up of the colors in the visible spectrum?

• microscope

• binoculars

• prism

• scale

​Force
and
Motion

By Jenan Berrios

Multiple Choice

A book sitting on a desk has....

• Balanced forces acting on it

• Unbalanced forces acting on it

• No forces acting on it

• All forces acting on it

Multiple Choice

If a ball and a piece of paper are dropped from the same height they will

• Hit the ground at the same time because of gravity

• Hit the ground at different times because of gravity

• Hit the ground at different times because of friction

• Hit the ground at different times because of air resistance

Multiple Choice

What can make an object start moving, stop moving or change direction?

• Gravity

• Work

• Force

• Inertia

Multiple Choice

4 balls are thrown with the same amount of force. Which ball will go further?

• 100kg

• 250kg

• 500kg

• 750kg

Multiple Choice

The ________ the mass of the object, the _______ the force required to move or stop the object.

• Greater; Greater

• Smaller; Greater

• Greater; Smaller

• Smaller; Smaller

Multiple Choice

Your mom is driving you in a car that is going 60mph. She slams on the brakes! Why does your body go forward?

• Unbalanced forces

• Speed

• Gravity

• Balanced forces

Multiple Choice

A football player kicks a ball into the air. It falls to the ground, rolls then stops. What two forces cause the ball to stop?

• Gravity and Friction

• Force and Friction

• Force and Motion

• Force and Gravity

Multiple Choice

Distance = 300 m

Time = 5 sec

Calculate the speed:

• 60 m/s

• 6 m/s

• 30 m/s

• 300 m/s

Multiple Choice

If you move 50 meters at a speed of 10 m/s, how long will it take?

Calculate the time:

• 50 seconds

• 5 seconds

• 10 seconds

• 100 seconds

Sun
and
Stars

By Jenan Berrios

Multiple Choice

Why does the sun appear bigger than all other stars?

• It is the biggest star in the universe.

• It is Earth's closest star.

• All other stars are much smaller than our star.

• The sun is the only star we can see.

Multiple Choice

Which best describes the Sun?

• small, blue star

• large, red star

• medium, yellow star

• large, yellow star

Multiple Choice

What is a star?

• collection of dust that gives off heat and light

• huge ball of hot, glowing gas that gives off heat and light

• ball of electricity that gives off heat and light

• a bright burning planet that gives off heat and light

Multiple Choice

In comparison to other stars in the sky, the Sun appears brighter because it is ...

• hotter

• larger

• older

• closer

Multiple Choice

Why do other stars appear so much smaller than the Sun?

• they are much smaller

• they are so far away

• they are not as bright

• they are dwarf stars

Multiple Choice

Which stars are very hot?

• red

• blue

• yellow

Multiple Choice

A ________ is a group of stars that form a picture.

• constellation
• universe
• world
• Polaris

Multiple Choice

Which star is located in our solar system?

• Bernard's Star

• Sirius

• Betelgeuse

• Sun

Multiple Select

Which characteristics describe a star? Choose all that apply.

• Made of gas

• Made of rock

• Give off heat and light

• Close to our planet

• Far from our planet

Multiple Choice

How is the sun different from stars like Betelgeuse and Alpha Centauri?

• It is bigger.

• It is closer to Earth.

• It is made of gas.

• It gives off heat and light.

Multiple Choice

How is the sun different from other stars?

• It is yellow.

• It is in our solar system.

• It is medium sized.

• It is far from our planet.

Rotation and Revolution

Multiple Choice

You are getting ready for school in the morning.  On the other side of the world, students are getting ready for _______.

• school
• bed
• breakfast
• lunch

Multiple Choice

What is the name of the imaginary line running through the North Pole to the South Pole?

• orbit
• axis
• equator
• latitude

Multiple Choice

Why do globes lean sideways?

• To allow them to spin easier.
• To demonstrate the tilt of Earth's axis.
• To demonstrate the effects of gravity.
• To demonstrate day and night.

Multiple Choice

Spinning of the Earth on its axis is called...

• rotation
• revolution
• orbit
• double axis

Multiple Choice

Earth's rotation on its axis is what causes ______________________________.

• seasons
• moon phases
• day and night
• weather

Multiple Choice

Why is it warmer in the summer?

• Closer to the sun
• More direct light from Earth's tilt
• Stronger light from the sun
• Earth spins slower

Multiple Choice

As the Earth tilts, what season is the northern hemisphere experiencing in the photo?

• Summer
• Winter
• Spring
• Fall

Multiple Choice

The hemisphere where you live.

• equator
• southern
• northern
• eastern

Multiple Choice

What causes the seasons to happen on earth?

• tilt of the earth on its axis and revolution around the sun

• the rotation or spinning of the earth

Multiple Choice

The Earth is rotating AND revolving.

• True

• False

Multiple Choice

Earth's rotation causes the day and night cycle. It also causes -

• the sun to appear to move

• the sun to remain in orbit

• the sun to orbit Earth

• all of the above

Multiple Choice

The Earth is rotating on its axis, creating _____

• the 12 months
• the years
• the seasons
• day and night

Multiple Choice

The movement of the Earth around the Sun is called its _____

• revolution
• rotation
• precession
• gyration