Fourth Grade Science Vocabulary Unit 3

What is the term for how fast something moves, showing how quickly an object changes its position? Example: A car moving fast has a high _____.

• speed

• weight

• volume

• temperature

What is the term for when an object changes its position or moves from one place to another? Example: A ball rolling down a hill is in ____.

• motion

• balance

• friction

• gravity

What is the term for how far an object moves from its starting point to its ending point? Example: The ____ between your home and school might be 2 miles.

• distance

• velocity

• acceleration

• direction

What is the term for the amount of seconds, minutes, or hours that pass while something is happening? Example: It took 10 seconds for the ball to roll across the floor. The amount of ____ is measured.

• time

• weight

• distance

• temperature

Which tool is used to measure the exact time it takes for something to happen? Example: You use a ____ to time how long it takes to run a race.

• stopwatch

• thermometer

• ruler

• compass

Which tool measures length or distance and is usually one meter long? Example: You can measure the length of a desk using a _____.

• meter stick

• thermometer

• stopwatch

• balance

Which tool has a wheel that rolls to help measure longer distances by counting wheel rotations? Example: You can use a ____ to measure the length of a playground.

• trundle wheel

• ruler

• protractor

• tape dispenser

What can you use a trundle wheel for?

• To measure the length of a playground

• To play games

• To draw circles

• To paint lines