4th SCI IA.1 Review

4th SCI IA.1 Review

4th Grade

16 Qs

quiz-placeholder

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4th SCI IA.1 Review

4th SCI IA.1 Review

Assessment

Quiz

Science

4th Grade

Practice Problem

Easy

NGSS
MS-PS2-2, 3-PS2-1, MS-PS2-4

+1

Standards-aligned

Created by

Carolyn Howard

Used 5+ times

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16 questions

Show all answers

1.

MATCH QUESTION

1 min • 1 pt

Match the type of simple machine to the object.

seesaw

lever

ramp

screw

knife

pulley

jar lid

inclined plane

flagpole

wedge

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is an example of a compound machine?

screw

lever

pulley

scissors

Answer explanation

Scissors are a compound machine because they consist of two levers (the blades) that work together to cut. In contrast, a screw, lever, and pulley are all simple machines.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jean is at the playground and goes down the slide. Which force is most responsible for bringing Jean down the slide?

frictional force

gravitational force

applied force

magnetic force

Answer explanation

The gravitational force is the primary force acting on Jean as she goes down the slide, pulling her downward due to Earth's gravity. While frictional force opposes her motion, it is the gravitational force that brings her down.

Tags

NGSS.MS-PS2-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How does a pulley affect force?

The pulley increases the force needed.

The pulley changes the direction of the force.

The pulley removes the need to use force.

The pulley reduces the force needed.

Answer explanation

A pulley primarily changes the direction of the force applied, allowing you to lift objects more easily by pulling down instead of lifting up. This makes it easier to move heavy loads without increasing the force needed.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which simple machine can be used to cut material?

pulley

wheel and axle

inclined plane

wedge

Answer explanation

The wedge is a simple machine specifically designed to cut or split materials. It works by converting force applied to its blunt end into a splitting force at its sharp edge, making it effective for cutting.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of simple machine is a seesaw?

lever

wedge

screw

pulley

Answer explanation

A seesaw is a type of lever, which consists of a rigid bar that pivots around a fulcrum. It allows for the lifting of one end when weight is applied to the other, demonstrating the principle of leverage.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which simple machine is used to lift heavy objects with less effort?

wedge

inclined plane

pulley

screw

Answer explanation

A pulley is a simple machine that allows you to lift heavy objects with less effort by changing the direction of the force applied. It reduces the amount of force needed to lift the load, making it easier to move heavy items.

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