DCA 3 Review

What is kinetic energy?

• A type of potential energy

• Energy due to motion

• Energy stored in chemical bonds

• Energy from nuclear reactions

Provide an example of kinetic energy. Include a picture below.

• A moving car

• A stationary rock

• A book on a table

• A tree in the wind

Wave frequency is defined as:

• The number of waves that pass a fixed point in a certain amount of time

• The distance between two consecutive crests of a wave

• The height of a wave from its rest position

• The time it takes for one complete wave to pass a point

A wave with a loud volume would look like:

• A wave with a small amplitude

• A wave with a large amplitude

• A wave with a short wavelength

• A wave with a long wavelength

If you were trying to model a wave with a higher volume using a rope, how would you move the rope to represent the wave?

• Move the rope higher and lower

• Move the rope faster

• Move the rope slower

• Move the rope with less amplitude

If you use a bat to hit a ball, what happens to the motion of the ball?

• The ball remains stationary.

• The ball moves in the direction the bat is swinging

• The ball moves in the opposite direction of the hit.

• The ball disappears.

The nose and brain work together to process which of the following senses?

• Sight

• Smell

• Hearing

• Taste

People and animals use their senses in the sensory process to:

• gather information about their environment

• communicate with each other

• move from one place to another

• digest food

If an animal is nocturnal, other than their ears, what should they rely on to survive?

• Eyesight

• Sense of smell

• Sense of taste

• Sense of touch

What does 'nocturnal' mean?

• to hunt during the day

• to not eat meat

• to hunt

• to hunt and be active during the night