7th Grade Science Guide

7.1: Field Forces 3 Dimensions & Progressions

Unit 2

phenomena that they will be able to explain by the end of theunit. ●

pictured. While holding the straw, they swing the top rope until it is orbiting in a circle and count the number of times it rotated increase and decrease the length of string, or even change the amount of mass on the ends of string to see what happens. in a certain amount of time. Students then

model and do some data collecting is all.

● Students could participate in a

discussion about how mass or length of string impacted how fast it spun.

● Gravitational Models pre-made

○ Washers, straws, yarn or string

Activity: Mass & Weight on Earth

Objective

Overview

Materials

● I can use evidence to support a claim about

● Students learn the

● Lesson Plan ● Mass & Weight Worksheet ● Triple-beam balances ● Spring scales ● Electronic scales ● Objects to measure ● Optional: bathroom scale & calculators

difference between mass and weight, and use different measuring objects, and also calculate their weight on other planets.

how mass affects gravitational pull.

Activity: Gravity in a Vacuum

Objective

Overview

Materials

● Students watch a video showing different items being dropped in a vacuum.

● Video

● I can explain how molecules in air can sometimes change falling rates.

Activity: Gravity & Inertia Video Clip

Objective:

● I can explain the center of gravity of an object.

● Students watch a short video clip about

● VideoClip