8th Science 1st Sem Exam

Front

Convert 520,000,000 to scientific notation.

Back

5.2 x 10^8

Front

What is the distance if Billy runs 400 meters to Andy's house and then 400 meters back home?

Back

800 meters

Front

In an experiment testing the effect of fertilizer on plant growth, what is the control group?

Back

Plants given no fertilizer

Front

What is the kinetic energy of a 0.75 kg golf club swinging at 60 m/s?

Back

1,350 J

Front

What is the symbol for a switch?

Back

(Image of a switch symbol)

Front

Define scientific notation.

Back

A way to express large or small numbers using powers of ten.

Front

What is the formula for kinetic energy?

Back

KE = 1/2 mv^2, where m is mass and v is velocity.

Front

What is the difference between distance and displacement?

Back

Distance is the total path traveled, while displacement is the shortest path from start to end.

Front

What is a control group in an experiment?

Back

A group that does not receive the experimental treatment and is used for comparison.

Front

What is the unit of measurement for energy?

Back

Joule (J)