Leap Review

Leap Review

3rd Grade

25 Qs

quiz-placeholder

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Leap Review

Leap Review

Assessment

Quiz

Science

3rd Grade

Hard

NGSS
MS-LS2-3, MS-LS2-1, MS-PS1-5

+7

Standards-aligned

Created by

Lisa Thompson

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Gravity Keith’s class has been learning about the effects of Earth’s gravity. His teacher challenges his class to imagine that tunnels are dug into the earth. The teacher draws the diagram below and asks the students to think about what would happen if a red ball were released at the entrance of a tunnel. If a small ball, represented by the red dot in the image to the left, is held just above the tunnels, which path (path A, path B, path C, or path D) would it follow when released? Select the best claim Keith could make about the path the ball would take.

The ball would follow path A because gravity would pull it to the center of the earth.

The ball would follow path B because gravity would pull the ball down the tunnel at a slant.

The ball would follow path C because it would be trapped in the earth’s orbit.

The ball would follow path D because gravity is a force that pull objects down.

Tags

NGSS.MS-PS2-4

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Gas Particles Angela studies three different types of matter in her science class. She claims that air is a gas made of particles too small to be seen. Which two examples provide evidence to support Angela’s claim that gases are made of particles too small to be seen? Select the two correct answers.

Bubbles in boiling water

Ice cream melting in a bowl

Snow forming in clouds

Melted lava hardening into rock

A kite floating in the sky

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In science class, Marvin studies the effects of mixing substances together. Marvin and his partner measure and collect 450 mL of warm water and 50 mL of salt in a large, glass beaker. They measure the mass of each substance and record the results in the table below.Part A: Marvin and his partner measured the mass of a large, glass beaker. They mix the two substances together in the beaker. They observed a slight color change in the water and that much of the salt disappeared after mixing the two substances. Then, they measured the mixture and subtracted the mass of the beaker so they could record the mass of the substances after they mixed them together.Which estimate is the mass of the mixture?

450 grams

909.2 grams

454.6 grams

445.4 grams

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In science class, Marvin studies the effects of mixing substances together. Marvin and his partner measure and collect 450 mL of warm water and 50 mL of salt in a large, glass beaker. They measure the mass of each substance and record the results in the table below.
Part B: Which statement best explains Part A?

The water was warm and made some of the salt dissolve. When salt dissolves, it loses its mass.

Marvin and his partner mixed the water and the salt. This made the mass of both substances double.

The water was warm and made some of the salt dissolve. Both substances lost a little mass because they were mixed together.

Marvin and his partner combined the water and the salt. The total mass of each substance did not change even though they were mixed together.

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of a physical change in matter?

Burning wood

Rusting iron

Melting ice

Cooking an egg

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not a characteristic of a solid?

Has a definite shape

Has a definite volume

Can flow from one place to another

Particles are closely packed together

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Lamar is studying water quality in his science class. He learns that salt water is seeping into his neighboring town’s water supply and makes the water dangerous to drink. Lamar’s teacher challenges his class to investigate ways to identify salt water without tasting it. Part A: Lamar has one glass of pure water and one glass of salt and water. The two liquids look exactly alike. What investigation can Lamar perform, without tasting the water, to find out which glass contains the salt water?

Lamar couldn’t do it. A chemical change has taken place.

Lamar could evaporate the water to see which cup leaves salt behind.

Lamar couldn’t do it. It is not possible to identify clear liquids without tasting them.

Lamar could shine a light into the water and check for salt conductivity.

Tags

NGSS.MS-PS1-2

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