Q2 Science NC Check-In Review

Front

What is the best conductor of heat among the following materials?

Back

A container made of metal is the best conductor of heat.

Front

How do you calculate speed?

Back

Speed = Distance / Time.

Front

If Sarah ran 250 meters in 30 seconds, what was her speed?

Back

8.33 meters per second.

Front

If Sarah ran 300 meters in 30 seconds, what was her speed?

Back

10 meters per second.

Front

How much faster was Sarah's speed on Monday than Tuesday?

Back

1.7 meters per second.

Front

What is the speed of a 30 gram ball that rolls 4 meters in 20 seconds?

Back

0.2 meters per second.

Front

What can increase the speed of a marble rolling down a ramp?

Back

Replacing the board with a smoother board.

Front

What is Anna's average speed if she ran 100 meters in 20 seconds?

Back

5 m/s.

Front

What is the definition of a conductor?

Back

A material that allows heat or electricity to pass through it easily.

Front

What is the definition of speed?

Back

Speed is the distance traveled per unit of time.