5th Grade Science STAAR Practice 3

Where can the oldest layer be found?

• The top layer

• The middle layer

• They are all the same age

• The bottom layer

A type of energy that uses heat that is stored inside the earth is

• solar energy

• geothermal energy

• wind energy

• nuclear energy

Which gets all its energy from the sun?

• consumer

• producer

• decomposer

• no living organism

Which material is most likely to expand if exposed to freezing temperatures?

• iron

• wood

• water

• plastic

The Smiths notice a bird flying into a window. The bird flies into the window because light -

• reflects from the window

• is absorbed by the window

• is scattered by the window

• passes through the window

As water flows through a dam, a generator is turned and creates enough electricity for thousands of homes. This describes...

• solar energy

• wind energy

• hydroelectric energy

• geothermal energy

Students conduct an investigation to observe the Sun's movement. Which safety procedure should students follow during this investigation?

• Always wear sunglasses while observing the Sun

• Use a telescope to get a better view

• Never look directly at the Sun

• Observe the Sun only during sunset

Which characteristic of sedimentary rock does this model best show? Some students made a model to show one of the first steps in the formation of sedimentary rock. The students pour 2 cm of light-colored sand into a clear plastic box. Then they add 1 cm of gravel. Finally, they pour 2 cm of dark-colored sand on top of the gravel.

• Sedimentary rock is made of layers.

• Sedimentary rock is formed from volcanic activity.

• Sedimentary rock is always dark in color.

• Sedimentary rock contains fossils.

What is not a constant in the experiment with coke and different kinds of mentos?

• The temperature of the coke

• The type of mentos

• The mentos

• The amount of coke used

A ball was rolling fast and then slowed. Which most likelycaused the ball to slow?

• friction

• gravity

• air resistance

• inertia