Science Quiz

A ________ is a ball of hot, glowing gases that makes its own light

• force

• gravity

• star

A ________ is a push or pull

• force

• gravity

• star

A force that pulls objects towards one another and pulls objects towards Earth is ________

• force

• gravity

• star

Marta had a picnic. She placed one bag of ice on a table in the shade and another bag in the sun. Both bags were the same size and shape. The ice placed in the sun melted more quickly. Why?

• The bag of ice were different types.

• A summer day is usually warmer than a winter day.

• One table was larger than the other.

• Things heat up more quickly in the sun than in the table.

Two students want to sit outside in a place that is the coolest from 11:00 a.m. to 1:00 p.m. One thinks a shady spot will be cooler, but the other thinks a sunny spot would be just as cool. How could they use two thermometers to find out?

• Compare the temperatures of the shady spot and a classroom from 11:00 a.m. to 1:00 p.m

• Compare the temperatures of the sunny spot and a classroom from 11:00 a.m. to 1:00 p.m

• Compare the temperatures of the shady spot and the sunny spot from 11:00 a.m. to 1:00 p.m.

• Compare the temperature of the shady spot from 11:00 a.m. to 1:00 p.m. with its temperature from 9:00 a.m. to 11:00 a.m.

Tommy and Maura record how many hours of sunlight they received on the first day of summer. Tommy lives in Alaska. Maura lives in Florida. How could they double-check their own data?

• Record the hours again on the first day of winter.

• Record the hours again from their own homes.

• Go to each other’s house and record the hours again.

• Go to Texas and record the hours of sunlight together

Joel knows the sun’s radiant energy travels through space to Earth. Which is not an effect of radiant energy on Earth?

• It causes Earth’s land to heat up.

• It causes Earth’s oceans to heat up

• It causes objects to fall to Earth.

• It lights up the daytime sky.

Liam wants to observe stars in the night sky. Which tool would be most helpful?

• goggles

• microscope

• telescope

• hand lens

One way scientists classify stars is by color. Blue stars are the hottest. Red stars are the coolest. The sun is a yellow star. Which statement is true

• The sun is cooler than a red star

• The sun is hotter than a blue star

• The sun is hotter than a red star.

• All stars have the same temperature

. Keisha wants to model how a telescope works. Which could she use as a model?

• microscope

• telescope

• hand lens

• goggles